Cytogenetics Flashcards
1
Q
cytogenetics is the study of
A
chromosomes
2
Q
sources of chromosomes (4)
A
Lymphocytes
sking cells
amniotic cells
bone marrow
3
Q
mitotic metaphase chromosomes consists of
A
2 identical chromatids joined at centromere
4
Q
metacentric means,
A
p and q arms are of equal length (medial chromosome)
5
Q
submetacentric means
A
bulk of chromosome below centromere, q arm longer than p arm (submedial chromosome)
6
Q
Acrocentric means
A
very little top p arm, present as sattelites
7
Q
Telocentric means
A
centromer at top of q arm, no p arm or satellites
8
Q
meiosis produces
A
gametes
9
Q
Meiosis produces 4 … cells
A
haploid
10
Q
maleness dictated by presence of …. not lack of …
A
x chromosome
y chromosome
