The weight of the fruit of one variety of squashes is
determined by three pairs of genes: AABBCC produces 6 lb
squashes and aabbcc produces 3 lb squashes. Each dominant
allele adds 1/2 lb tothe base weight (3 lb). If a pure
breeding line that produced 6 lb squashes was crossed with
a pure breeding line that produced 3 lb squashes, what
would be the phenotypic ratio of the F1 and the F2?
Answer / pinga
phenotypic ratio of F1 = 4.5 lb
phenotypic ratio of F2 = 6lb,5.5lb,5lb,4.5lb,4lb,3.5lb,3lb
| Is This Answer Correct ? | 7 Yes | 4 No |
Cystic fibrosis (CF) occurs with a frequency of about 1/2500 Caucasian newborns and is inherited as an autosomal recessive. A woman had an older sister die from complications of this disease. CF is not present among relatives of her husband. Both the woman and her husband have normal phenotypes. What is the chance this couple will have a CF child?
For each of the following, state whether it is a gamete or a genotype of an individual a) TT b) Tg c) IcCC d) TW
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0 Answers KPSC Karnataka Public Service Corporation,
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