Reproduction Flashcards
mitosis, meisosis
1
Q
draw and label the structure of a chromosome
A
has a centromere which is centre of chromosome
has 2 sister chromatids
section of chromosome is a gene
2
Q
how is chromatin formed
A
DNA is wrapped around histones which coil up and stabilise DNA molecules
3
Q
what is a homologous pair
A
2 copies of each chromosome:
1 from mother
1 from father
4
Q
how are homologous pairs the same and different in
A
have same genes but different alleles
5
Q
what is an allele
A
different versions of same gene
6
Q
what is location of a gene called
A
loci
7
Q
what are the 3 stages of the cell cycle
A
Interphase
Mitosis
Cytokinesis
