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Ch. 14 Campbell

Mendel and the Gene Idea

QuestionAnswer
What is true breeding? producing the same characteristics as parent; i.e. seeds produced by self-pollination in successive generations all give rise to plants that also have purple flowers.
P generation? parental generation
F1 generation? hybrid offspring (first generation)
F2 Generation? hybrid offspring (second generation)
hybridization? crossing of two true breed varieities
what are alleles? genes that code for a specific characteristic
Name the 3 concepts of Mendel's Model. 1. alternative versions of genes account for varaitions in inherited characters 2. each character has two alleles. one from each parent 3. if 2 alleles at a locus differ, DOMINANT one determine's appearance, RECESSIVE allele's don't show its appearance.
What is a locus? place on DNA where allele is located.
What is the law of segregation? two alleles for a heritable character separate during gamete formation and end up in different gametes.
Created by: 745745891
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