unit 8-9 test Flashcards
1
Q
how many sister chromatids are in a chromosome
A
2
2
Q
what connects the sister chromatids
A
centromere
3
Q
what is called when the chromosomesfrom dad match the ine from mom to start meiosis
A
tetrasd
4
Q
what are cells with both pairs are called
A
diploid
5
Q
What is called when they exchange parts of chromatids
A
crossing over
6
Q
what happens to homologous chromosomes in PMAT
A
they are pulled away from their partner but not in half
7
Q
what happens to paired chromatids
A
they seperate in half
8
Q
what is it called when each sister cell had half the shuffled DNA
A
haploid
9
Q
how many cells for female have in meiosis
A
4
10
Q
how many chromosomes do human have?
A
46
23 from each parent