Meiosis. Heredity. Heredity Passing of genetic traits from parent to offspring Chromosome theory of heredity Chromosomes carry genes Gene = unit of heredity. What Meiosis is all About. Meiosis allows the creation of unique individuals through sexual reproduction. In The Beginning Two.
Prior to division, amount of DNA doubles
The first division of Meiosis
Chromosomes are NOT
duplicated again between
Meiosis 1 and Meiosis 2
2 chromosomes in haploid
n = 2
2n = 22 = 4 possible combinations
Example: 23 chromosomes in haploid
n = 23
2n = 223 = ~ 8 million possible combinations!
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