NATS 1675 Lecture Notes - Lecture 5: Pea, Punnett Square, Chromosome
25 Apr 2015
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* the "father of genetics" is gregor mendel. He was an austrian monk, who presented his research in 1865. 3 major generalizations: the principle of dominance, the principle of segregation, the principle of independent assortment or recombination. Principle of dominance when parents differ in one characteristic, their offspring (which are hybrids) resemble one or the other parent, not a blend. (ex. Principle of segregation when a hybrid reproduces, its reproductive cells are of 2 kinds half transmitting the dominant character of 1 of its parents, and the other half transmitting the recessive character of its second parent. [alleles for any given trait in homologous chromosomes separate (segregate) into separate gametes. ] Applies to the inheritance of 2 or more traits. Genetic information for each trait is distributed to gametes independently of the. [refers to the random separation or segregation of 2 or more pairs of alleles as long as they are on different chromosomes. ]
