Human genetics SEM2 Flashcards
1
Q
pedigree
A
chart that shows genetic history
2
Q
horizontal line
A
represents marriage
3
Q
shaded circle
A
expresses the trait
4
Q
square
A
represents a male
5
Q
vertical line
A
parents to children; children
6
Q
circle or square that is not shaded means…
A
does not carry the trait
7
Q
roman numerals represent
A
generations
8
Q
mutation
A
change in an organisms dna
9
Q
nonjisdunction
A
chromosomal mutation called_ where homologous chromosomes fail to separate during meiosis
10
Q
karyotype
A
picture of all the chromosomes of an individual
11
Q
hemophilia
A
sexlinked trait where the individual cannot produce blood clotting proteins
12
Q
trisosomy 21
A
down syndrome
13
Q
homologous chromosome pairs #1-22
A
autosomes
14
Q
genetic disorder: excess mucus
A
cystic fibrosis
15
Q
colorblindness and hemophilia (x chromosome) are also known as
A
sex-linked traits
