Science test prep
Having a single copy of every chromosome
Haploid
Redproduction cell
Gamete
Diploid cell formed by the process of fertalization
Zygote
Photo of cells chromosomes arranged from smallest to largest
Karyotype
Two matching chromosomes that have the same everything
Homolugous
How many chromsomes in a regular human cell?
46
How many pairs of chromosomes are in a Gamete
0
Meiosis only happens for cells used for...
reproduction
What happens to # of chromosmes between meiosis 1 and meiosis 2
They half
What's the purpose of a Karyotype
To see if there are any flaws in the number of chromosomes
How do you "Read" a set of chromosmes
Size, banding pattern and centromere position
XY Chromosomes
Male
What do you have if you have three 21 chromosomes
Down syndrome
XX Chromosomes
Female
Two types of reproductive cells
Eggs and Sperm
A cell with one copy of every chromosome is
Haploid
Gametes are haploid or diploid
Haploid
Zygote haploid or diploid
Diploid
What's the purpose of miosis
To reduce the number of chromosomes by half
The process of gametes from two parents combining into one cell
Fertalization