#Question id: 4744
#Applied Microbiology
Assume that long ear lobes in humans are an autosomal dominant trait that exhibits 50% penetrance. A person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes. What is the probability that their first child will have long ear lobes.
#Question id: 4745
#Applied Microbiology
In some goats, the presence of horns is produced by an autosomal gene that is dominant in males and recessive in females. A horned female is crossed with a hornless male. The F1 offspring are intercrossed to produce the F2. What proportion of the F2 offspring will have horns?
#Question id: 4748
#Applied Microbiology
Eye color in Drosophila present on X chromosome, Red eye color is dominant over white eye color. There is non disjunction in Meiosis I in female and normal meiosis in male. Female is white eye color was cross with red eye male. What will be expected phenotype in their progeny?
#Question id: 4749
#Applied Microbiology
A normal woman, whose father was Hemophilic and color blind is married to a colorblind, nonhemophilic man. What will be probability of colorblind, hemophilic daughter?
#Question id: 4752
#Applied Microbiology
Red-green color blindness is caused by a sex-linked recessive allele. A color-blind man marries a woman with normal vision whose father was color-blind. What is the probability that they will have a color-blind daughter? What is the probability that their first son will be color-blind respectively?
#Question id: 4753
#Applied Microbiology
Pattern baldness in humans is a sex-influenced trait that is autosomes dominant in males and recessive in females. What is genotype of both parents with normal hair had one son with pattern baldness and another son is normal hair?