Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
IAT IISER2020BiologyPrinciples of Inheritance and Variation

A hypothetical plant species shows two flower colour phenotypes - red and white. Red is dominant over white. In a population, this flower colour locus was found to be in Hardy-Weinberg equilibrium. If 490 out of a total population size of 1000 plants were found to be white-flowered, how many of the red-flowered plants will be heterozygous?

Options

  1. A90
  2. B580
  3. C420
  4. D700

Correct answer

C. 420

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 IAT IISER PYQs