Author Question: Chromosomal disorders involve abnormality in either the or ____ of the ... (Read 54 times)

natalie2426 · **on:** Sep 11, 2018

Chromosomal disorders involve abnormality in either the ______________ or __________________ of the chromosomes.

A. number; structure
B. position; duplication
C. misalignment; placement
D. deletions; additions

Question 2

Which of the following is a characteristic of fraternal or dizygotic twins?

A. They develop from two sperms fertilizing one ovum.
B. They are of the same sex and have the same genotype.
C. They are the result of different eggs and different sperm, yet they share the same uterine environment.
D. They are more frequently born to young mothers.