Question

lids called ptosis, which makes it impossible for her to open A woman has a rare abnormality of the evelids called ptosis, which makes it impossib her eyes completely. The condition is due to a dominant gene y. The condition is due to a dominant ene (P) The woman's father had ptosis, but mother had normal eyelids. What are the genotypes of the woman, her father, and married a man with normal eyelids, what proportion of the children would be expected what proportion would be normal? e woman, her father, and her mother? If she hildren would be expected to have ptosis and b. Two dark-haired parents have a red-haired child. What genotype must the two parents this? child. What genotype must the two parents have to permit Assume that the dimple is inherited as a simple dominant gene. A dimpled man whose mother had ng dimple married a woman with no dimple. What are the menotypes of all the mentioned individuals 8. In mice, yellow coat color (Z) is a dominant factor and black (2) is its recessive. The homozygous condition (CZ) is lethal and kills the embryo within a few days after conception. If two yellow mice bred, what genotypes would you expect and in what ratio? What will be the phenotypes and in what ration

Answer 1

Problem - I are the her mother? genotype of the women, her father x Unaffected mother. mble O T D Affiched father PO Ha 0 Affected daughter Aa Genotype of the women ( daughter) = Aa Genotype of her father = Aa Genotype of her mother aa • • Problem. II- If she married a man with normal eyelids, what proportion of the children would be expected to have Ptosis & What proportion would be normal. aa Aa 11 - Husband Aa aa 50% 50% 50% 50% for her child on to have a genetic probability disorder