geneticconcepts

geneticconcepts - Genetic Concepts Gregor Mendel, 1866...

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Genetic Concepts a Gregor Mendel, 1866 ` Father of genetics ` Complete dominance a Reginald Crundall Punnett ` Punnett squares Terminolgy a Genes – DNA sequences that carry traits a Alleles – forms of a trait a Homozygous – identical alleles for a trait ` RR: homozygous dom ` Rr: homozygous rec a Heterozygous – different alleles for a trait (Rr) a Genotype – genetic makeup a Phenotype – physical makeup Gamete Formation and Fertilization a Gamete formation: ` Parents are diploid AA Aa aa ` Gametes are haploid A, A A, a a, a a Fertilization: ` Gametes are haploid A x A A x a a x a ` Offspring are diploid AA Aa aa
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Monohybrid Cross a Involves the inheritance of one pair of alleles. a Exercise 12.1 monohybrid crosses section with toothpicks: dom: long toothpicks rec: short toothpicks each color represents a characteristic Dihybrid Cross a Involves the inheritance of two pairs of alleles Individual’s genotype: PpTt Gametes: PT, Pt, pT, pt a Exercise 12.2 dihybrid crosses section with toothpicks:
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This note was uploaded on 01/06/2012 for the course BIOL 1406 taught by Professor Markgarcia during the Fall '11 term at Collins.

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geneticconcepts - Genetic Concepts Gregor Mendel, 1866...

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