11. If a single mutation turns off the growth of some pairs of legs within an organism, what's most likely affected?

Answers

Answer 1

Answer: The answer is hox gene.

Hox genes are responsible for an embryo's body plan. They determine different body structures - legs, vertebrae, antennae, wings, depending on groups. Mutation in hox genes is serious mutation since it affects the early stages of embryo and consequently, normal development. If a mutation occurs in the hox gene for legs growth, the legs will not develop.

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The development of some organisms, like sea turtles, are affected by the temperature at which the eggs are incubated. Typically, cooler temperatures produce more males, and warmer temperatures produce more females. How might climate change affect the reproductive success of sea turtles?Reproductive success will increase, because there will be more nesting ground available due to sea level rises.

Reproductive success will increase, because there will be more females to lay eggs.

Reproductive success will decrease, because there will be skewed numbers of males and females.

Reproductive success will decrease, because there will be longer migration routes due to sea level rises.

Answers

Answer:

The correct answer would be Reproductive success will decrease, because there will be skewed numbers of males and females.

Explanation:

Sea turtles incubate their eggs in the sand at nesting beaches. In cooler temperatures produce more males, and warmer temperatures produce more females.

If the temperature rise will be in the climate then there will be fewer males in comparison to the females which can lead to a decrease in reproductive success. If there will be a fall in temperature than there will be fewer females in comparison to males which also led to a decrease in reproduction success.

Thus, the correct answer is the third statement.

Reproductive success will decrease as there will be a skewed number of males and females.

An organism is homozygous dominant for one trait and heterozygous for another. A scientist uses this organism in a dihybrid cross. How many different allele combinations can the organism produce for these traits in his or her gametes

Answers

Basically there are only 2 unique different allele combinations that this organism can produce in their gametes for these traits. They are AB and Ab.

Why do scientists use taxonomy to classify organism

Answers

That system grouped animals and plants by characteristics and relationships. Scientists looked at the characteristics that each organism had in common. They used the shared derived characteristics of organisms. Scientists were then able to find the common ancestry of the organisms.

13. Which of the following does not accurately describe fruits? A. Fruits attract animals, which helps disperse seeds. B. Fruits develop from ovary walls. C. Fruits are rich in sugars. D. Fruits provide nourishment for seedlings.

Answers

I think B. Fruits develop from ovary walls... I think this because it does not accurately describe fruits.
Hope this helps!

Fruits develop from ovary walls does not accurately describe fruits.

So, (B. Fruits develop from ovary walls will be your answer.)

Have a Brainly Day!

What organelle is found in the cytoplasm

Answers

There are multiple organelles found in the cytoplasm such as mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, ribosomes, and vacuoles.

How are plate tectonics formed? How do we know they exist (list 4-5 pieces of evidence)? And what are the different boundries?

Answers

Tectonic plates are the result of the mantle cooling on the surface. At plate boundaries or "zones" occure, there are different reactions along the edges of them. Divergent is when two plates move away from one another allowing fresh molten rock to flow to the surface. This results in a volcano. Covergent boundaries are when plates come together, resulting in mountain ranges. Transforming boundaries are when they slide up against each other causing earthquakes. More examples of proof of plate tectonics is the changing of Pangea into the world as we know it and subduction zones that reveal fossils that were deeply buried under layers of earth.

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