TLS Online TPP Program

#Question id: 15332


At the surface of B-cell contain antibody- IgM and IgD, How is the formation of IgD from IgM?

#XL - S Microbiology
  1. Alternative splicing
  2. Somatic hyper mutation 
  3. Class switching
  4. VDJ recombination 
More Questions
TLS Online TPP Program

#Question id: 4725

#XL - R Botany

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

TLS Online TPP Program

#Question id: 4726

#XL - T Zoology

Which of the following is incorrect regards genomic imprinting?

TLS Online TPP Program

#Question id: 4727

#XL - T Zoology

if mendal had studied the seven trait using a plant with 12 chromosome instead of 14, in what manner would his interpretation have been different ?

TLS Online TPP Program

#Question id: 4728

#XL - T Zoology

The genotype r/r ; p/p gives fowl a single comb, R/– ; P/– gives a walnut comb, r/r ; P/– gives a pea comb, and R/– ; p/p gives a rose comb. Which of the following parental genotype would produce 3/8 Walnut comb, 1/8 pea comb, 3/8 rose comb and, 1/8 single comb?

TLS Online TPP Program

#Question id: 4729

#XL - T Zoology

In the following example, 3 independently assorting genes A, B and C are known to govern coat color in mice. Homozygous recessive cc (albino phenotype) is epistatic over both gene A and B, What will be the expected frequency of non albino, in the progeny from cross of AaBbCc with genotype of AABbCc?

TLS Online TPP Program

#Question id: 4729

#XL - R Botany

In the following example, 3 independently assorting genes A, B and C are known to govern coat color in mice. Homozygous recessive cc (albino phenotype) is epistatic over both gene A and B, What will be the expected frequency of non albino, in the progeny from cross of AaBbCc with genotype of AABbCc?