Question Detail

BIO 201 Genetics 1 Objective Question

Question

What is the critical biological consequence of polyspermy in mammalian zygotes?
Options
A Formation of a viable monoploid embryo
B Lethal polyploidy leading to mitotic failure and early developmental arrest
Correct Answer
C Enhanced genetic fitness due to gene dosage elevation
D Immediate conversion of somatic cells into germline stem cells
Correct Answer

Option B is the correct answer.

Detailed Explanation

Polyspermy leads to extra sets of chromosomes and multiple centrosomes, causing abnormal multipolar spindle formation and developmental arrest or spontaneous abortion.

Hint

No hint available

Question Info