Mainly because it was extremely hot at the beginning of Earth's time.
Answer:
I think the answer is capacity to do work
Hope this helps you.
The genes of an organism can be
either a homozygous or a heterozygous one. When someone is a homozygous
dominant, it means that it has two copies of the same dominant allele. Homozygous
means that the organism has exact copies of the same gene allele.
Answer:
Explanation:
Blood group AB has both A and B antigens, but no antibodies. Blood group B has B antigens with anti-A antibodies in the plasma. Blood group A has A antigens on the red blood cells with anti-B antibodies in the plasma
Answer:
Explanation:
Each chromosome represents a twin.like pairs of socks.
This is an analogous problem: you have 2 pairs of socks, one white, one black. Each of the sock is tailored to a specic foot, right or left. How many different ways can the socks be mixed and matched , one for each foot?
Here are the possibilities : left = black, right = black is one such match. Left = white, right = black is another.
so also we will have 23 chromosome pairs
