Answer:
A and C
Explanation:
The myelin makes it whiter so the unmyleinated axons makes it mor gray and also the cell bodies of neurons made up the gray matter in the brain.
Hope this helps. you can also search for other ones if it doesn’t :)
Answer:
100% will be black
Explanation:
black is a dominant trait
The black cat is the dominant allele B and the white cat is a recessive allele w. now,
in f1: the dominant allele masked the recessive characters but they are heterologous dominant ie BBww
in f2: Bw x Bw
the outcome is BB,Bw,Bw,ww
tip:do the checkerboard formula by mendel it always works