The answer is A irrelevant.
Answer: I think its centriole
The difference at a deeper depth would be water pressure crushing down on them
Vertebrates. they are all chordates, which mean they have a notochord somewhere in their body.
Heterozygous means 2 different zygotes. Since Smooth kernels are dominant, Zygotes KK and Kk will be smooth and kk will be wrinkled.
If you were to set up a Punnett Square chart like:
K k
K (KK) (Kk)
k (Kk) (kk)
the ratio for smooth to winkle would be 3 : 1
Which Will be 75% Smooth and 25% Wrinkle