Answer: A alleles
Explanation: this is because they are alternate genes that can make up different traits .
Answer:
x shaped
Explanation:
all chromosomes are x shaped even the male determining it's just that one end is shorter but it's still there
Answer:
tbh ion know good luck buddy these are hard
Answer:
Nitrogenous base
Explanation:
Adenine, thymine, guanine, cytosine
If I'm not mistakened, the answer is D
Hope this helps :)