In an experiment, a black mouse was mated with a brown mouse. All the offsprings in F1 generated were black. The offspring grew and were...

      

In an experiment, a black mouse was mated with a brown mouse. All the offsprings in F1 generated were black. The offspring grew and were all allowed to mate with one another. The total number of F2 generation offspring were 96.
(a) Using letter B to denote the gene for black colour, work out the genotype of the F1 generation.(Use a punnet square)
(b) State the following for the F2 generation.
(i) Genotypic ratio.
(ii) Phenotypic ratio
(iii) The total number of brown mice.

  

Answers


sharon
52420191317.png
(b) (i) 1 BB : 2Bb : 1bb
(ii) 3 black : 1 brown
52420191319.png

sharon kalunda answered the question on May 24, 2019 at 10:19


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