TLS Online TPP Program

#Question id: 12176


In a Z-linked characteristic, Cameo plumage, which produces brown feathers, while the wild-type plumage is a glossy metallic blue. If  a pure blue-colored male is crossed with a cameo female, then what will be the probability of blue and cameo plumage of male and female in F2 phenotype?

#Unit 8. Inheritance Biology
  1. Blue males-50%, cameo male-50%, Blue females-25%, cameo females-25% 
  2. Blue males-25%, cameo male-25%, Blue females-50%, cameo females-0%
  3. Blue males-50%, cameo male-0%, Blue females-25%, cameo females-25% 
  4. Blue males-25%, cameo male-25%, Blue females-25%, cameo females-25%
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TLS Online TPP Program

#Question id: 5347

#Unit 8. Inheritance Biology

The inheritance of a given disorder is recorded in small families shown below: Based on the above limited information, which one of the following inheritance pattern best explains the observations?

TLS Online TPP Program

#Question id: 5363

#Unit 8. Inheritance Biology

A Southern blot using a probe that binds to the region spanning the mutation causing albinism detects one DNA fragment in homozygous normal individuals (A/A) and two fragments in albino individuals (a/a). Following banding pattern of three offspring of parents? Which of the following correct regarding parents?

TLS Online TPP Program

#Question id: 5357

#Unit 8. Inheritance Biology

This pedigree shows the inheritance of a recessive trait in humans. Individuals that have the trait are homozygous for a recessive allele a. If H and I, who happen to be first cousins, marry and have a child, what is the chance that this child will have the recessive trait?

TLS Online TPP Program

#Question id: 5356

#Unit 8. Inheritance Biology

In the following pedigree, individuals with shaded circle or shaded square show presence of a recessive autosomal trait. The calculated risk of occurrence of this trait for III-I is

TLS Online TPP Program

#Question id: 15120

#Unit 8. Inheritance Biology

Given below is a pedigree chart showing the inheritance of a certain sex-linked trait in humans 

The trait traced in the above pedigree chart is

TLS Online TPP Program

#Question id: 15119

#Unit 8. Inheritance Biology

identify the pedigree shown below