ENV100Y5 Lecture 3: Lec 3
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(Problem 20c) Waxy endosperm (wx), shrunken endosperm (sh), and yellow seedling (v) are encoded by three recessive genes in corn that are linked on chromosome 5. A corn plant homozygous for all three recessive alleles is crossed with a plant homozygous for all the dominant alleles. The resulting F1 are then crossed with a plant homozygous for the recessive alleles in a three-point testcross. The progeny of the testcross are as follows:
wx | sh | V | 87 |
Wx | Sh | v | 94 |
Wx | Sh | V | 3,479 |
wx | sh | v | 3,478 |
Wx | sh | V | 1,515 |
wx | Sh | v | 1,531 |
wx | Sh | V | 292 |
Wx | sh | v | 280 |
Total | 10,756 |
Determine the coefficient of coincidence and the interference among these genes. | |||||||||||
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