3.2.3 Flashcards
1
Q
Diploid
A
(2N)
nucleus contains 2 copies of each chromosome
2
Q
how many homologous pairs in diploid
A
23
3
Q
how many chromosomes in diploid
A
46
4
Q
haploid
A
(N)
contains 1 chromosome from each pair of homologous chromosomes
- found only in gametes (sex cells)
- produced from diploid cells by meiosis
5
Q
how many diff chromosomes in haploid nucleus
A
23
6
Q
autosome
A
chromosomes that don’t determine the sex of the organism, but DO control the inheritance of all traits except those that are sex-linked
7
Q
zygote
A
(2N)
- fertilised egg cell
- diploid
- contains 2 of each chromosome
8
Q
homologue
A
each chromosome in a homologous pair
9
Q
tetrad
A
structure containing 2 homologues
