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Unformatted text preview: Genes are inherited in pairs Different versions of a gene = alleles Phenotype: the sum total of genes expressed (genetic expression in contrast to potential) You are a carrier of your unexpressed genes How does the zygote end up with 46 chromosomes? Two processes of cell production: Mitosis Duplication of genetic material – creates body/somatic cells (not sex cells) – happens everywhere throughout body throughout life Meiosis: Splitting of genetic material (in gonads special 46 chromosome cells waiting to split genetic material to make egg and sperm cells, found only in ovaries and testes)...
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This note was uploaded on 10/25/2008 for the course PSY 304 taught by Professor Repp during the Fall '08 term at University of Texas.
- Fall '08