1. Complete the following table by writing the blood type Genotype AND Phenotype in the gaps below:
2. a) Which man is definitely not the father of the child? Show workings to explain (see below)
2. a) workings
2. b) Does this test prove that the other man is the father? Explain
3. a) Determine the GENOTYPES of the parents and the children
3. b) What is the BLOOD TYPE of the children’s mother?
3. c) Is it possible that the next child could have type AB blood? Show working below
3. c) workings
4. a) His blood type is A, is it possible that he is the father? Why?
4. b) If a husband #2's mother has type A blood and his father type AB. is it possible that he is the father? Show workings below
4. b) workings
4. c) If both of his parents have types AB, could he be the father? Show workings below
4. c) workings
After several matings of tan-coloured birds, a breeder noted the following average offspring numbers:
24 white, 26 brown and 53 tan birds.
There are only two genes that control feather colour in birds – they are WW- White and BB - Brown with the intermediate or mixed colour being BW - Tan
1) workings
1) Parent Phenotypes - a)___________________ x b)___________________
1) Parent Genotypes - c)__________________ x d)_____________________
2) workings
2) Parent Phenotypes - a)___________________ x b)___________________
2) Parent Genotypes - c)__________________ x d)_____________________
3) workings
3) Parent Phenotypes - a)___________________ x b)___________________
3) Parent Genotypes - c)__________________ x d)_____________________
4) workings
4) Parent Phenotypes - a)___________________ x b)___________________
4) Parent Genotypes - c)__________________ x d)_____________________
1) Complete the following two crosses:
2) Suggest how the farmer who owns these cattle could control the breeding so that the herd ultimately consisted of red cattle only