A species of mouse F1 testcross gave rise to the F2 phenotypes: Short hair wildtype, short tail...

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Biology

A species of mouse F1 testcross gave rise to the F2phenotypes:
Short hair wildtype, short tail 625 Short hair wildtype, longtail wildtype 48 Long hair, long tail wildtype 645 Long hair, shorttail 39
Q1. a) Do the genes appear to be linked? Answer yes, no, ormaybe. 1 mark b) Explain your answer. 2 marks
Q2. a) What do the phenotype numbers tell you aboutrecombination frequencies of these alleles during meiosis? 1mark
b) How does this relate to linkage? 2 marks
Q3. What is the genotype of the testcross individual? 2marks
Q4. What is the genotype of the F1 female? 2 marks

Answer & Explanation Solved by verified expert

3.7 Ratings (531 Votes)

1a Yes The genes are linkedb Recombination frequency RF is used to determine whether thetwo genes are linked present on the same chromosome It can becalculated byRecombination frequency Number of Recombinant Total numberof offspring 100To determine the recombination frequency between two genes thefirst step is See Answer

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