Anthropology 101.6

Anthropology 101.6 - LAAW of segregation- one allele to...

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LAAW of segregation- one allele to each gamete - Heredity trait maintain their individuality and do not blend - The two genes of each pair separate from one another and each gamete receives only one of each pair. - Each parent contributes one allele, they remain separate but combine to determine traits Law of independent assortment- segregating pairs of alleles sort independently- not linked - If two or more independent traits are considered, each is inherited without relationship to the other trait - Pea plants can produce: round-yellow, wrinkled yellow, round green, wrinkled green. It isn’t always one gene equals one trait, each gene has a distinct biological effect - Polygenic trait: to many genes contribute to a single effect - Pleiotrpy: a gene has multiple effects - There are also combinations of the two. Forces of evolution What causes evolutionary (genetic) change? The bell curve of a species variation in a population. A minority of the species will fall into the latter half of the curve. A majority of the population will fit into the average
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This note was uploaded on 11/17/2011 for the course ANTH 101 taught by Professor Streeter during the Fall '08 term at Boise State.

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Anthropology 101.6 - LAAW of segregation- one allele to...

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