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#Question id: 1754


High affinity B-cell clones in mammals are usually generated by:

#SCPH01 Biochemistry
  1. Somatic hypermutation

  2. Expression of high affinity precursors in the naive B-cell population

  3. Class switching

  4. Apoptosis

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TLS Online TPP Program

#Question id: 5325

#SCPH06 I Botany

Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess concentration of chloride in sweat. A normal man whose sister has cystic fibrosis, his normal wife whose brother has cystic fibrosis. What is chance of cystic fibrosis in their child?

TLS Online TPP Program

#Question id: 5325

#SCPH28 | Zoology

Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess concentration of chloride in sweat. A normal man whose sister has cystic fibrosis, his normal wife whose brother has cystic fibrosis. What is chance of cystic fibrosis in their child?

TLS Online TPP Program

#Question id: 5326

#SCPH06 I Botany

The recessive allele located on heterozygous locus present on X-chromosome in female is conclude as

TLS Online TPP Program

#Question id: 5326

#SCPH28 | Zoology

The recessive allele located on heterozygous locus present on X-chromosome in female is conclude as

TLS Online TPP Program

#Question id: 5327

#SCPH06 I Botany

In the human pedigree shown here, the daughter indicated by the black circle (II-1) has a form of deafness determined by a recessive allele. What is the probability that the phenotypically normal son (II 3) is heterozygous for the gene?

TLS Online TPP Program

#Question id: 5327

#SCPH28 | Zoology

In the human pedigree shown here, the daughter indicated by the black circle (II-1) has a form of deafness determined by a recessive allele. What is the probability that the phenotypically normal son (II 3) is heterozygous for the gene?