PSYCO104 Lecture Notes - Lecture 9: Recombinant Dna, Brown Hair, Heritability
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PSYCO104 Full Course Notes
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Document Summary
Hereditary material in humans and almost all other organisms. Nearly every cell in a human body has the same dna| Contain genetic blueprint: each gene codes for a protein product, dna->rna->protein. Brown hair, blonde hair) are a alternative form of gene that produce different characteristics. Genes contain bases, carry codes for protein manufacture. 2 copies of a gene, one from each parent: dominant genes expressed if only one copy 9 (bb, recessive only express if there is 2 copies (bb) Humans have 25000 genes, mapped every single one of them. Either (cid:862)tur(cid:374) off(cid:863) of (cid:272)o(cid:373)pletely eli(cid:373)i(cid:374)ate it. Problem is that fe(cid:449) (cid:271)eha(cid:448)iours are(cid:374)"t (cid:272)o(cid:374)trolled (cid:271)y si(cid:374)gle ge(cid:374)e. Heritability coefficient extent to which variation in a specific group can be attributed to genetic factors is estimated statistically. The more the gene co-occurs = possible genetic contribution. More similar regardless of environment, even when reared apart. Separated at birth, some genetic traits and personality traits were similar.