Cell Cycle Flashcards
1
Q
The most common mechanism of aneuploidy is …
A
non-disjunction in meiosis
2
Q
Non-disjunction in ___ may result in mosaicism
A
mitosis
3
Q
Kinetochore
A
protein structure located at the centromere, where mitotic spindle attaches
4
Q
The basic unit of DNA condensation
A
nucleosome
5
Q
Meiosis I
A
reduction division, homologous chromosomes pair, Chiasmata (cross overs)
6
Q
Prophase I includes:
A
Leptotene: chromosomes like long threads
Zygotene: chromosomes contract
Pachytene: homolog pairs align, crossing over occurs
Diplotene: chromatids separate
7
Q
Interphase accounts for __% of the call cycle
A
90
