Lesson 4 - Abnormal Meiosis Flashcards
1
Q
where could a chromosomal abnormality possibly occur during meiosis
A
anaphase I or anaphase II
2
Q
non - disjunsction
A
failure of homologous chromosome pairs or sister chromatids to separate during meiosis, during anaphase I or II, produces gametes with too many or too few chromosomes
3
Q
monosomy
A
loss of a chromosome
turner syndrome
4
Q
trisomy
A
gain an extra chromosome
down syndrome
5
Q
A
