Meiosis Flashcards
1
Q
What are sister chromatids?
A
A chromosome and it’s identical duplicate version
2
Q
Does male or female have the bigger gamete?
A
Female
3
Q
What is crossing over?
A
When parts of non sister chromatids have been exchanged
4
Q
3 reasons for genetic variation?
A
- Crossing over
- Mixture of homologues
- Different alleles from parents
5
Q
What chromosomes do males and females have?
A
Female - 2 copies of X chromosome
Male - 1 X and 1 Y chromosome
6
Q
What is an allele?
A
Alternate version of a gene
7
Q
What are homologues?
A
Parent copies of a chromosome
