Unit Three (Cell Division) Vocabulary Flashcards
(13 cards)
1
Q
Somatic cell
A
A body cell
ex.) most tissues, muscle, bone, nerves
2
Q
Germ cell
A
A cell that produces gametes via meiosis
3
Q
Synapsis
A
The physical formation of a tetrad
4
Q
Tetrad
A
Two homologous pairs of sister chromatids side by side
5
Q
Diploid number
A
Number of total individual chromosomes
6
Q
Haploid number
A
Number of chromosome pairs
7
Q
Oogenesis
A
The creation of ova
8
Q
Spermatogenesis
A
The creation of spermatozoa (sperm)
9
Q
Independant Assortment
A
The random assortment of genes in a chromosome after crossing over
(represented by 2^haploid)
10
Q
Karyotype
A
An individual’s collection of chromosomes
11
Q
Autosomes
A
Non-sex chromosomes
12
Q
Monosomy
A
A chromosomal abnormality where a karyotype is MISSING one chromosome
13
Q
Trisomy
A
A chromosomal abnormality in which a karyotype has an EXTRA chromosome
