A researcher had 15 purebred wikl mice which were brown and all females, they were all mated with a male called Bob, All offspring were brown, These were then crossed among themselves with the following results 293 brown and 115 white

A researcher had 15 pure-bred wild mice which were brown and all were females. They were all mated with a male called Bob. All the offspring were brown. These were then crossed among themselves with the following results: 293 brown and 115 white.

(i). Determine the color of Bob.

(ii). Determine which color is dominant.

(iii). Work out the ratio of brown to white in the ‘grandchildren.’

(iv). If the researcher crosses two of the white 'grandchildren', determine the color of their offspring.

Use the Punnett square to work out your answers

Answer:

(i). Determine the color of Bob. BOB IS WHITE

(ii). Determine which color is dominant. BROWN IS DOMINANT

(iii). Work out the ratio of brown to white in the ‘grandchildren.’

PHENOTYPIC RATIO BROWN TO WHITE 3:1

(iv). If the researcher crosses two of the white 'grandchildren', determine the color of their offspring. THE WHOLE PROGENY WILL BE WHITE

Explanation:

Due to technical problems, you will find the complete question, answer, and explanation in the attached files.

A researcher had 15 purebred wikl mice which were brown and all females, they were all mated with a male called Bob, All offspring were brown, These were then crossed among themselves with the following results 293 brown and 115 white​

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A researcher had 15 purebred wikl mice which were brown and all females, they were all mated with a male called Bob, All offspring were brown, These were then crossed among themselves with the following results 293 brown and 115 white