Review Note
Last Update: 03/15/2025 04:00 PM
Current Deck: RE::Person and Population Health::Prenatal Screening
PublishedCurrently Published Content
Question
What happens in chromosome non-disjunction?
option_1 (A)
Chromosomes separate normally during meiosis
option_2 (B)
One daughter cell gets an extra chromosome, while the other gets none
option_3 (C)
The embryo always develops normally
option_4 (D)
It only affects sex chromosomes
option_5 (E)
option_6 (F)
option_7 (G)
option_8 (H)
Ans
B
Explanation
Non-disjunction leads to one gamete with an extra chromosome (trisomy) and another with none (monosomy), affecting normal development.
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