meiosis Flashcards
1
Q
asexual reproduction
A
only needs one parent, this type of reproduction is known as mitosis, produces single celled organisms
2
Q
sexual reproduction
A
two parents cells join together to form a offspring
3
Q
sex cells
A
are the parents cells that join together, only has 23 chromosomes
4
Q
female sex cell?
A
egg
5
Q
male sex cell?
A
sperm
6
Q
male sex chromosomes
A
x and y
7
Q
female sex chromosomes
A
2 x’s
8
Q
humans have how many chromosomes?
A
46 chromosomes, 23 pairs
9
Q
meiosis
A
chromosomes are copied once and then the nucleus divides once
10
Q
sex chromosomes
A
carry the genes that determine the sex
11
Q
pedigree
A
a diagram that shows the occurrence of the genetic trait