7.4 Meiosis Study Guide Flashcards
1
Q
Haploid
A
1n = one copy of each chromosome
2
Q
Diploid
A
2n = two copies of each chromosomes
3
Q
Fertilization
A
sperm + egg = zygote
n + n = 2n
4
Q
Can we use Mitosis for sexual reproduction?
A
No, because the number of chromosomes passed by parents.
5
Q
Meiosis
A
chromosome number must be reduced by 1/2.
from diploid to haploid.
6
Q
somatic cell
A
body cell
2n
7
Q
Gamete
A
n
8
Q
cells have homologous chromosomes
A
2n
9
Q
if a cell with 20 chromosomes goes through mitosis, the resulting cell will have
A
40 chromosomes
10
Q
synapsis
A
pairing of homologous chromosomes
11
Q
at the end of Meiosis 1, chromosome number is reduced by
A
half
12
Q
Independent Assortment
A
genetic recombination
13
Q
crossing over
A
homologous pairs swap pieces of chromosome
creates four unique chromatids
