9.5 Deck Flashcards
1
Q
how many of each chromosome does a normal gamete contain
A
1
2
Q
what is deletion
A
missing gene or genes
3
Q
what is duplication
A
extra gene
4
Q
what is translocation
A
chromosome piece breaks off and attaches to another chromosome
5
Q
what is inversion
A
gene order flipped
6
Q
when can nondisjunction happen
A
in meiosis 1 and meiosis 2
7
Q
what is nondisjunction
A
extra or missing chromosome
8
Q
what does the sry gene do
A
creates more testosterone
