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Likurg_2 [28]
3 years ago
9

Which of the following is used as evidence in supporting the idea that life changes over time?

Biology
2 answers:
leva [86]3 years ago
5 0

Answer:

the existence of vestigial structures

Explanation:

took the test

cluponka [151]3 years ago
4 0
<span>B.The existence of vestigial structures
</span>
Vestigial structures have been used for long by evolutionists to support the theory of evolution. These organs are believed to have been in use in the past lives but as the species adapts to new forms of life and lifestyle,the vestige organs becomes obsolete,but are not removed by the body. An example of vestige organs in human being are the appendix,tail bone,and mammalian grands in men.
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Can a human male be a carrier of red-green color blindness?
miskamm [114]

Answer:

The answer is no Human male can not be carrier for the red green color blindness.

Explanation:

Red green color blindness is a sex linked disorder that is recessive in nature. If an individual male have one copy of X gene with recessive allele of the trait he will be color blind because male have only one copy of X chromosomes and one copy of Y chromosome. So, the recessive X chromosome will express itself in absence of dominant X chromosome.

For being a carrier one should be heterozygous For this gene and its not possible in males as they have only one copy of X chromosome.

Thus, the correct answer is No.

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