I think it's c: Quantity A is weight & Quantity B is mass
Answer:
Explanation: IT should be B
It’s true hope this is right
I think its A. If you had options like mine
Answer:
If the paired chromosomes fail to separate during meiosis in the female, then the resulting daughter cells will receive either 2 or no copies of chromosome 21. If the resulting egg with 2 copies of chromosome 21 is fertilized with a normal sperm, the resulting zygote with be trisomy 21
Explanation: