Answer:
B
Explanation:
Y chromosomes are the male chromosome. A person with an XY sex chromosome pair will be male while that with an XX sex chromosome pair will be female. This is because the Y chromosome has a male-determining gene called the SRY. This gene is responsible for the development of testis.
Answer:C. There will be an increase in variety of the shape of the B and T cell receptors allowing them to recognize and destroy more pathogens
Explanation: usa test prep
All moving water has energy is true