Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEST2022BiologyPrinciples of Inheritance and Variation

A mutation in an autosomal gene, Tum, causes benign tumor in a dominant manner ( T and t are two alleles of the gene). A mutation in another autosomal gene Mat (alleles are M and m ) determines conversion of the benign tumours caused by the gene Tum to a metastatic one in a recessive manner. A couple, Mr. Y and Mrs. X, both heterozygous for the genes Tum and Mat, have a child together. Based on this information, choo

Options

  1. AThe probability of the child not developing any type of tumor is 1 / 16
  2. BThe probability of the child not developing any type of tumor is 1 / 4
  3. CThe probability of the child developing only benign tumor is 9 / 16
  4. DThe probability of the child developing only benign tumor is 3 / 4

Correct answer

C. The probability of the child developing only benign tumor is 9 / 16

Step-by-step solution

No solution available.

Practice Principles of Inheritance and Variation on Quantrex Academy →

More from Principles of Inheritance and Variation

The following pedigree diagram shows the inheritance of a rare genetic disorder in a family (filled shapes depict affected individuals). Which one of the following is the most like 2026The genotypes of husband and wife are I^A I^B and I^A I^O . Among the blood groups of their children, how many different genotypes and phenotypes are possible? 2026The classical example of point mutation is 2026Read the following statements. Statement I: In a typical test cross, an organism showing a dominant phenotype is crossed with the recessive parent. Statement II: The ratio of organ 2026Thalassemia and Sickle cell anaemia are due to a problem in globin molecule synthesis. Select the correct statement. 2026In a practical examination, the below given pedigree chart was given as spotter for identification. The students identified the pedigree chart as ____ 2026Mendel's law of independent assortment implies that 2026In a haplodiploid ant species, sons are haploid and produced from unfertilized eggs, while daughters are diploid and produced from fertilized eggs. A single queen establishes a col 2026 Full Principles of Inheritance and Variation list All NEST PYQs