3. (b) How does crossing over increase the variation in the gametes (and hence the offspring)?

Answers

Answer 1

Answer:

During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material. Gametes gain the ability to be genetically different from their neighboring gametes after crossing over occurs.


Related Questions

2. Explain how the distribution and availability of resources might influence population density?

Answers

Answer:

The availability of natural resources encourages a higher population density as these can be processed and used in industry and manufacturing. Regions that experience no or few natural disasters are more likely to have a lower population density as they are safer.

can some one please help me on this question

Answers

Those are nucleus cells

If that’s your question

Answer: If that’s your question those are nucleus cells 

A new predator is introduced to an aquatic ecosystem. In a population of fish that live there, very small fish are more easily able to hide from the predators, and very large fish cannot be easily eaten by predators. What type of natural selection is acting on the population, and what will be the expected result?

A.Stabilizing selection: Since both extremes are selected against, the fish population will remain about the same.

B.Disruptive selection: Over time the fish population will change. Medium-sized fish will become rare, small and large fish will be common.

C.Stabilizing selection: Over time the fish population will change. Medium-sized fish will become rare, small and large fish will be common.

D.Disruptive selection: Since both extremes are selected against, the fish population will remain about the same.

Answers

Disruptive selection: Over time the fish population will change. Medium-sized fish will become rare, and small and large fish will be common is a type of natural selection that is acting on the given population. So, it's B.

What do you mean by Ecosystem?

An ecosystem may be defined as any place or area where the members of different species or communities live together and interact with one another for the purpose of food, shelter, and space.

As predators are only able to attack the moderate-sized fishes, so the population of moderate-sized fishes may decline in the aquatic ecosystem, while extremely short and large fishes are able to maintain their population at the same pace.

Therefore, the correct option for this question is B.

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Biochemical Evidence-definition

Answers

Answer:

is based on the fact that certain enzymes and chemical processes are found in the cells of all or nearly all life on Earth.

How is earth’s motion related to the origin of the galaxy and it’s solar system?

Answers

Question:

How is earth’s motion related to the origin of the galaxy and it’s solar system?

Answer:

The Earth is a part of the galaxy and its solar system and as Earth was created with the big bang, it happened inside of them.

Explanation:

The relative motion of the Earth around the solar system is the Earth is moving and spinning around at a tilt. Our solar system in the galaxy is moving and the galaxy in the universe is constantly moving. They are all moving around a a central object just as the Earth revolves around the Sun.

Answer: The Sun's rotational equator is in the same flat plane. Earth was believed to be the center of the universe, which consisted only of those planets visible with the eye and an outlying sphere of fixed stars.

Explanation:

What is the regulation of stable internal conditions inside an organism or a cell?

A. Responding to stimuli
B. Homeostasis
C. Obtaining and using energy
D. Cellular respiration

Answers

Answer:

(B) homeostasis

Explanation:

Homeostasis is the maintenance of a stable internal environment. Homeostasis is a term coined to describe the physical and chemical parameters that an organism must maintain to allow proper functioning of its component cells, tissues, organs, and organ systems.

Which property of water causes the space between molecules to ice

Answers

Answer:

In ice crystals, their hydrogen bonds link them together like acrobats, stacked one on top of the other, with their arms and legs outstretched. This provides more space between the molecules in the crystal structure of ice than the molecules of liquid water. As a result, ice is less dense than the liquid form

Explanation:

Hope this helps.

The digestion of food molecules is a what type of process?

Answers

Answer:

Explanation:

Catabolic

Answer: Digestive Processes

Explanation: The processes of digestion incorporate six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, assimilation, and defecation. The primary of these forms, ingestion, alludes to the passage of food into the nutritious canal through the mouth.

Suppose that a mutant plant is unable to make methyl salicylate. Why is it not likely to survive in the wild

Answers

Answer: because I’m order for it to compete with the others it has to be able to make methyl salicylate

Explanation:

_____ results from alloreactions mediated by donor T cells in the graft subsequent to hematopoietic stem-cell transplantation.

Answers

Answer: Killer T cells

Explanation:

A pattern of stars ________ during the nighttime.

a. can appear to move
b. can shift position
c. will get brighter
d. will move closer

Answers

Answer:

A. Can appear to move

Explanation:

As the Earth rotates on its axis, the patterns of stars in the night sky appear to move.

Select the correct answer from each drop-down menu. the carrying capacity of a wildlife reserve is 570 individuals for a particular species of rodents. if the area of the reserve is extended, the carrying capacity is likely to . during the summer, a fatal disease began killing individuals. the carrying capacity of the reserve will therefore .

Answers

If during the summer, a fatal disease began to kill individuals. the carrying capacity of the reserve will therefore be increased.

What is carrying capacity?

The carrying capacity of an environment is the maximum population size of a biological species that the environment can sustain indefinitely, taking into account

foodhabitatwaterand other needs available in the environment.

With this information, we can conclude that if during the summer, a fatal disease began to kill individuals. the carrying capacity of the reserve will therefore be increased.

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Where can the offspring genotypes be found in a Punnett square?

Answers

in the inside of the punnet square. the parents genotypes are on the outside

Gerald performed an experiment to determine if photosynthesis was affected by the color of light that a plant received. The data from his experiment are shown in the table below.

Color of Light
Number of plants
Average volume of oxygen produced (mL)
green
4
0.50
orange
4
2.0
blue
4
5.0

Which format should he use to present his data?
bar graph
chart
line graph
pie graph

Answers

A bar graph would best represent this data


The heat from the room heater spreads throughout the room by

Radiation
Convection
Conductor
Insulator

Answers

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Radiation

Radiation is heat traveling in the form of visible and non-visible light.

Answer:

Radiation

Explanation:

Heat travell in a form of invisible light

Is platypus a type of fish
Explain

Answers

Question: "Is platypus a type of fish?"

Explanation: The platypus is classed as a mammal because it has fur and feeds its young with milk. It flaps a beaver-like tail. But it also has bird and reptile features a duck-like bill and webbed feet.

Answer:

yes done to explaine in down

Explanation:

ty for rhe points

What portion of the uterus is composed of smooth muscle and contracts rhythmically during orgasm and childbirth?.

Answers

The myometroum is the portion of the uterus that contracts.

Which organelle regulates what enters and exits the cell.

Answers

Answer:

The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment

The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell

How is the biosphere interacting with the hydrosphere and geosphere in this river?

Answers

The biosphere interacts with the hydrosphere and geosphere in this river by drawing water and nutrients from there for their survival.

What is Biosphere?

This is referred to the part of the Earth where different life forms exist and is also known as ecosphere.

Plants get nutrients from the geosphere while organisms derive water from the hydrosphere.

The correct question is:

How does the biosphere interact with the hydrosphere and geosphere in a river?

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what are major scientific issues today?​

Answers

Answer:

The End of Antibiotics. Tuberculosis. ...

Clean Drinking Water. ...

Making Guns Safer. ...

Keeping Our Technological Edge. ...

Protecting National Parks. ...

Meeting Our Climate Change Promises. ...

Genetically Enhanced Humans. ...

Nuclear Safeguards.

Solar radiation bounces off of a polar ice cap, then goes into the atmosphere where it remains trapped. Which statement best describes this situation?

The radiation is absorbed by the ice and then reflected by the atmosphere.
The radiation is reflected by the ice and then absorbed by the atmosphere.
The radiation is absorbed by the ice and atmosphere.
The radiation is reflected by the ice and atmosphere.

Answers

Answer:

The radiation is reflected by the ice and then absorbed by the the atmosphere

Explanation:

Reflection occurs when incoming solar radiation bounces back on an object that it strikes the atmosphere

Answer: The answer is: The radiation is reflected by the ice and then absorbed by the atmosphere

Explanation: I have my ways ;>

Have a great day!

-Sunny

The values in a(n) _____________ code are continuous.

Answers

Answer:

data

Explanation:

A continuous variable is a quantitative variable that has an infinite number of possible values that are not countable. A continuous variable may take on every possible value between any two values.

A hurricane sweeps across a small Caribbean island, killing 50 percent of the herbivore species on the island. What type of limiting factor is this?​

Answers

A hurricane sweeps across a small Caribbean island, killing 50% of the island's herbivorous species. this is the natural limiting factor.

What is the limiting factor?

Limiting factor (or limiting resource) is the designation given to the environmental parameter (biotic or abiotic) that effectively controls the growth of a population in a given biotope or ecosystem, limiting the development of the organism and, therefore, via the size and distribution of the population.

With this information, we can conclude that a hurricane sweeps across a small Caribbean island, killing 50% of the island's herbivorous species. this is the natural limiting factor.

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Prejudice can be an unconscious phenomenon. please select the best answer from the choices provided t f

Answers

The statement indicating that 'prejudice can be an unconscious phenomenon' is TRUE.

What are prejudices?

A prejudice is a conscious emotion associated with a prejudgement of a person and/or given situation.

Prejudices are inadequate because they are usually wrong and do not reflect true emotions.

In conclusion, the statement indicating that 'prejudice can be an unconscious phenomenon' is TRUE.

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Prejudice can be an unconscious phenomenon : This statement is TRUE

What is an unconscious phenomenon

An unconscious phenomenon is defined as an unbiased bias which can also be defined as prejudice.

Prejudice is an unbiased act which favors a person or group in comparison to a second person or group. therefore we can categorise prejudice as an unconscious phenomenon.

Hence we can conclude that Prejudice can be an unconscious phenomenon : TRUE

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after the domain category was first introduced there were how many kingdoms?

Answers

Answer:

It depends on what grade level you are in. Younger grade levels only learn about, if i remeber correctly, four kingdoms. But there are actually six. In the traditional five-kingdom system there are only five.

The six-kingdoms system: Bacteria, Archea, Protista, Plantea, Fungi, Animalia.

The traditional five-kingdom system: Monera, Protista, Plantea, Fungi, Animalia

The organization of a organism from smallest to largest is Cell, tissue, organ, organ system, organism
True
False​

Answers

Answer: True

Cell -> Tissue -> Organ -> Organ System -> Organism.

The cellular organization from smallest to largest is cells, tissues, organ, organ system and organism. Hence, the given order is true.

What is cellular organization ?

Cellular organization refers to the hierarchical arrangement of cells in living organisms. All living organisms are composed of one or more cells, and the way in which cells are organized within an organism is critical to its overall function and survival.

At the smallest level, cells are organized into organelles, which are specialized structures within the cell that perform specific functions. For example, mitochondria are organelles that produce energy for the cell.

Cells are then organized into tissues, which are groups of cells that work together to perform a specific function. Examples of tissues include muscle tissue, which is responsible for movement, and nerve tissue, which is responsible for transmitting signals throughout the body.

Tissues are then organized into organs, which are structures that are made up of two or more different tissues and perform a specific function. For example, the heart is an organ that is made up of muscle tissue and nerve tissue and is responsible for pumping blood throughout the body.

Finally, organs are organized into organ systems, which are groups of organs that work together to perform a specific function. For example, the circulatory system is an organ system that includes the heart, blood vessels, and blood and is responsible for transporting oxygen and nutrients throughout the body.

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Can someone pls help oropiarita????
that is her question
ANALYSIS: SOLVE ME UP INSTRUCTIONS: Choose at least one organism (in scientific name) in the Organism Pool below and categorize it in the hierarchical taxonomic classification from Domain to Species. Then, indicate the description of each category to determine the attributes of the organism. ORGANISM POOL Cocos nucifera Momordica charatia Oryza sativa Aglaomorpha quercifolia Equus caballus Panthera tigris Accipter novaellandiae Chanos chanos Amoeba gingivalis Escherichia coli Euglena gracilis Paramecium caudatum Agaricus bisporus Pleurotus ostreatus Lnetinula edodes Allium cepa Selected organism: Domain: Description: Kingdom: Description: Class: Description: LLLLL Order: Description: Family: Description: Genus: Description: Species: Description:

Answers

Answer:

a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species. The first word is capitalized and the second is not,The science of classifying living things is called taxonomy. Linnaeus introduced the classification system that forms the basis of modern classification. Taxa in the Linnaean system include the kingdom, phylum, class, order, family, genus, and species,scientific name is used to name an organism to avoid misunderstandings caused when using the common name of organisms. An example of a scientific name is Homo sapiens to refer to modern human beings. It is written in italics and in which the initial letter of the genus name is capitalized,Scientists use scientific names for organisms so that it is universally understood what organism they are referring to.

Explanation:

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1. What are the similarities between all cells?

Answers

Answer:

Similarities between all cells.

*All cells contains a cell membrane.*All cells have a vacoule.*All cells contains cytoplasm.Hope it helps.

I will give points to anyone who answers!

Answers

Answer:

D

Explanation:

trust

Seafood watch has made several unsustainable fishing practices illegal. please select the best answer from the choices provided t f

Answers

Seafood watch has made several unsustainable fishing practices illegal, is a true statement.

What is a Seafood  watch?

Seafood Watch is a program sponsored by the Monterrey Bay Aquarium; recommendations for which seafood to buy or avoid; consumers and businesses to become advocates for "ocean-friendly".

Seafood Watch has had an immense influence on decisions regarding illegal fishing practices and has helped design sustainable seafood environments due to their lists of seafood that should be eaten without worries.

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Answer:

False.

Explanation:

Just took the test. Also... It is false because Seafood Watch is not a legal authority and does not have the power to make fishing practices illegal. Seafood Watch is a program run by the Monterey Bay Aquarium that provides recommendations and guidance on sustainable seafood choices based on scientific assessments of fisheries and aquaculture practices. It aims to inform consumers and promote sustainable fishing practices but does not have legal authority to enforce regulations or make fishing practices illegal. That responsibility lies with governmental bodies and regulatory authorities.

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