Answer:
The cuticle is the hair's protective layer, the cortex forms the pigment of the hair, the health of the cortex depends on the cuticle protecting it while the medulla is the innermost of the hair.
Explanation:
The cuticle is the hair outermost layer, the cortex is the middle structure for strength while medulla is the inner most.
Answer:
Numerical abnormalities are whole chromosomes that either have too many chromosomes the pair or is missing one. Meanwhile, structural abnormalities are where chromosomes duplicate or delete themselves, or it could also be two different chromosomes forming together awkwardly.
Answer:
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