17.1 Flashcards
1
Q
walter sutton
A
observed similar chromosomes paired during meiosis
2
Q
T.H. morgan
A
provided first evidence that genes resided on chromosomes
3
Q
human sex determination
A
humans presence of y chromosmes determines sex
Y chromsome highly condensed
=reccesive allels on males X have no active conuterpart on Y
defualt for humans is female
4
Q
sex chromomes and sex determinaiton
A
x chromomses determones sex
during meiosis: female gametes=x male =x or y
