Module 5 obj. 20-21
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Meiosis vs. Mitosis
- Mitosis creates two daughter cells that are identical to the "parent"
- Meiosis halves the DNA content in Meiosis I and the MeiosisII resembles mitosis
What are the differences between Haploid and Diploid cells?
- Somatic cells make up the majority of the body's cells
- -use mitosis to divide
- -these are diploid (2n)
- -Two copies of each numbered chromosome plus to sex chromosomes (XX or XY)
- Germa Cells (gametes) are the reproductive cells
- -use meiosis to divide
- -sperm and egg
- these cells are haploid (n)
- -when they join they make a diploid embryo
Because the mother's and fathers gamets each contain one copy of each gene, child inherits one copy of a gene from mother and one from father
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