bio exam 2 genetics - GENETICS What does a diploid contain...

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GENETICS What does a diploid contain Contains two chromosomes from a homologous pair one from each parent What does a haploid contain Contains only one chromosome from a homologous pair What does the blending inheritance theory say about heredity Offspring generally intermediate in phenotype between those of parents, thus genetic material is miscible like paint, black and white make gray What is a sport A mutation What is the definition of character A heritable feature. Ex. Flower color, seed shape, seed color Define trait Each variant for a character. Ex. Purple or white color flowers Why did Mendel pick to study peas 1. many variable characters 2. many varieties that bred “true” for particular traits 3. easy to do control crosses 4. used only discrete characters, either or, not continuous What is the P generation The true-breeding parents What is the F1 generation The hybrid offspring of the P generation What is the F2 generation The hybrid offspring of the F1 generation What happened when Mendel cross white and purple flowers 1. F1 generation was all purple 2. F2 generation had a ratio of 3:1, purple: white What is the first law that Mendel discovered
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