Introductory animal genetics UE Past Papers Questions.

1. In one mating project in pigs, two traits were considered a black -solid (BBww) coat and red-belted (bbWW) coat. If the boer had a black -solid coat and the sow was red-belted

1. What is the resulting genotype and phenotype of F1 progenies? Show how you arrive to your answer.
2. Draw a punnet square and show the phenotypic and genotypic ratios of F1 progenies were mate interse or among themselves to produce F2s

Answer / Solution

UNSOLVED

In F2 generation of a chicken breeding experiment, 3629 chicks had red feathers and 1145 had white feathers. A 3:1 ratio was expected. Use chi square and show if there is any discrepancies between the observed and expected data. You can use the following table values for chi square; 5%=3.84 of 1%=6.64. The degree of freedom is 1.

Answer / Solution

UNSOLVED

1. Draw a sketch of the Watson and Crick double helix DNA molecule, label and name the important features.
2. Draw thestructures of both Deoxyribose and Ribose sugar and show the major differences between them.
3. Draw a figure representing a gene and show the important parts.

Answer / Solution

UNSOLVED