Crossing-over occurs in
A) prophase I.
B) prophase II.
C) metaphase II.
D) Both prophase I and II.
Correct Answer:
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Q49: When the gene p53 initiates apoptosis, the
Q50: A cell mass that does NOT fragment
Q51: The _ on the chromosome is where
Q52: This is the type of cell division
Q53: In meiosis, centromeres split in
A) telophase I.
B)
Q55: The exchange of chromosome parts may occur
Q56: When homologous chromosomes are at the equator
Q57: The spindle begins to form in
A) telophase
Q58: Two nuclei are formed during
A) prophase I.
B)
Q59: Chromosomes first become visible during
A) prophase I.
B)
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