21. In mouse, tailless (t), black body (b) and collared (cl) are autosomal reces

Question

21. In mouse, tailless (t), black body (b) and collared (cl) are autosomal recessive mutants on chromosome 5. There are 23 map units between tailless and black, and 12 map units between black and collared. Assume a F1. If a female from the F1 is test crossed, how frequently will tailless, black (but not collered) individuals be a. 0.3849 b. 0.2162 c. 0.0451 d. 0.0069 e. 0.1081 f. 0.0049 a. 0.6638 b. 0.3849 c. 0.0451 d. 0.0069 e. 0.1081. 0.3319 a. 0.3319 b. 0. 3849c. 0.0451 d. 0.0069 e. 0.1081 . 0. 6638 expected? 22. How frequently do you expect a tailless, black and collared offspring? 23. How frequently are tailless, but not black and not collared offspring expected?

Explanation / Answer

21. Option E is nearly correct- 0.1081

22. Frequency of option A is correct 0.6638

23. Option B- 0.3849

This operation is might hard

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