Answer:warm weather ,short winters
Explanation:
Answer: The genotype of a female is XX while that of a male is XY. The probability of them having a male child is 1/2 while the probability of having a female child is 1/2.
Explanation: Normally, females have two X chromosomes (XX) while males have one X chromosome and one Y chromosome (XY). In a cross between a man and a woman, there is fifty percent chances of having a female child and also fifty percent chances of having a male child. Therefore, the probability of having a female child is 1/2 while the probability of having a male child is also 1/2.
See the punnett square attached
Answer:
The only structure or component that a virus and a cell have in common is Nucleic Acid.
Hope this helps. :-)
Because water cant breath and it doesn't have feelings.<span />
Answer: DNA was the first genetic material.
Explanation:
The genetic code is essentially the same in all the organism. This states that the similar organism can have similar genes in them that codes for the similar proteins hence, called as similar organism.
The genetic material is chemically made of nucleotide which is either being synthesized in the body or being obtained from the environment similar to that of amino acids.
If the genetic code is same one organism descend from the other organism.But these statement does not supports that DNA was the first genetic material to found in living beings.
