It is faste reproduction, therefor its option D
Answer:
8644
Explanation:
there is a difference of 2161 between the numbers. If you multiply the difference by 4, you would get the answer.
I think the correct answer is B
Answer:
The Y chromosome is an accurate indicator of a person's external sex organs.
Explanation:
Since females have two X chromosomes while males have one X and one Y chromosome, if you are aware of the presence of a Y chromosome you can safely assume that a person is a male. Therefore, you can assume what external sex organs a male has.