Chromosomes Flashcards
1
Q
What is in chromatin?
A
dna and proteins
2
Q
name 4 changes that could happen in a chromosome
A
1- inversion
2-translocation
3-deletion
4-duplication
3
Q
how many molecules of DNA are there in a ss chromosome? how many chromatids?
A
1 molecule
0 chromatids
4
Q
Name 4 functions of cell division
A
1- asexual reproduction 2-growth 3- repair 4- aging 5-cancer 6- immunity
5
Q
What is a nucleoli
A
site of rRNA synthesis
in ribosomes
last gene to get turned off before mitosis
6
Q
how many molecules of DNA are there in a ds chromosome? how many chromatids?
A
2 molecules
2 chromatids
