4. Short Answers b), solid vs. A. In a species of mouse, agouti vs. non-agouti f

Question

4. Short Answers b), solid vs. A. In a species of mouse, agouti vs. non-agouti fur (A vs. a), black vs. brown hair color (B vs white-spotted coat (S vs. s) and normal vs. red eyes (P vs. p) are controlled in a Mendelian manner wit first phenotype being dominant for each trait. All pairs are inherited independently, and no epistasis or gene interaction exists. If AaBbSsPp is crossed to AaBbSsPp, what fraction of the progeny will be true- calculations and reasoning. (8 pts) non-agouti, black, white-spotted, normal-eyed mice? Give the genotype and show your B. A study of X-chromosome traits i

Explanation / Answer

4) In mouse species AaBbSsPp is crossed with AaBbSsPp

The probability of producing true breeding non agouti, black, white spotted and normal eyed mice is calculated as follows,

= 1/4 × 1/4 × 1/4 × 1/4

= 1/256

= 0.00391

= 0.391%

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