Meiosis,Karyotyping, and Genetics
Last Modified: 2013-02-21
-homologous chromosomes pair up
-nuclear membrane breaks down
-Crossing over of non-sister chomatids
-spindle apparatus forms
One too many chrosomes
EX) Down syndrome, Turners Syndrome, etc...
make sperm eggs (sex cells)
1. from diploid to haploid
46 => 23
- prophase 1
- metaphase 1
- anaphase 1
- telophase 1
- prophase II
- metaphase II
- anaphase II
- telophase II
The passing of inherited traits from parents to offspring.
Eye color, hair color
Egg or sperm sex cell that contains a single set of chromosomes, one from each homologous pair
- What is a sex-linked trait? Give an example of a disorder.
- Gene that’s on the X chromosome
- X linked: Color blindness
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