TLS Online TPP Program

#Question id: 12705


In Neurospora crasssa, the mutant exhibit poky phenotype, when a female of  poky strain is crossed with a normal strain acting as a male , all progeny individuals shows poky phenotype . however, the reciprocal cross resulted in all normal progeny. These results can be explained on the basis of 

#SCPH12 I Genetics
  1. Sex-limited inheritance
  2. Nuclear inheritance
  3. Maternal inheritance
  4. Sex-influenced inheritance
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TLS Online TPP Program

#Question id: 4750

#SCPH12 I Genetics

Which of the following is similarity about Sex-limited Characteristics (SLC) and genomic imprinting (GI)?

TLS Online TPP Program

#Question id: 4751

#SCPH01 Biochemistry

In the following example, 3 independently assorting genes are known to govern coat color in mice. The genotype of few of the coat colors is given below:

Agouti: A-B-C- Black: aa B-C - Albino: -- -- cc

What will be the expected frequency of abino, in progeny from crosses of  AaBbCc with albino of the genotype aabbcc?

TLS Online TPP Program

#Question id: 4751

#SCPH12 I Genetics

In the following example, 3 independently assorting genes are known to govern coat color in mice. The genotype of few of the coat colors is given below:

Agouti: A-B-C- Black: aa B-C - Albino: -- -- cc

What will be the expected frequency of abino, in progeny from crosses of  AaBbCc with albino of the genotype aabbcc?

TLS Online TPP Program

#Question id: 4752

#SCPH01 Biochemistry

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?

TLS Online TPP Program

#Question id: 4752

#SCPH12 I Genetics

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?

TLS Online TPP Program

#Question id: 4753

#SCPH01 Biochemistry

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?