Determine genotypes of the original parents in the cross

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Reference no: EM1388399

Question: A female rabbit with hemophilia, rickets and a tail was mated to a male rabbit that did not have hemophilia or rickets but lacked a tail. The F1 females were all wild type, that is, not having hemophilia or rickets but having a tail. The F1 males had hemophilia, rickets and tails. A cross of F1 females to F1 males produced the following offspring in the F2 generation:

Hemophilia

Rickets

Tails

Males

Females

Hemophilia

No rickets

Tail-less

2

0

No hemophilia

Rickets

Tail

3

48

Hemophilia

Rickets

Tail-less

63

0

No hemophilia

No rickets

Tail

57

194

Hemophilia

No rickets

Tail

40

52

No hemophilia

Rickets

Tail-less

35

0

Hemophilia

Rickets

Tail

146

206

No hemophilia

No rickets

Tail-less

154

0

  1. What are the genotypes of the original parents in this cross? Write each genotype to show which alleles are linked together on the same chromosome.
  2. What are the genotypes of the F1 males and females? Write each genotype to show which alleles are linked together on the same chromosome.
  3. Draw a genetic map showing the distances between these genes. Express the distances in map units.
  4. What is the degree of interference?

Reference no: EM1388399

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