genetics Questions

Frequency of recombination between gene pairs on some chromosome as a measure of the distance between genes to map their position on chromosome, was used for the first time by:

The phenomenon of pleiotropism refers to:

Which of the following statements are correct about Klinefelter’s Syndrome?A. This disorder was first described by Langdon Down (1866).B. Such an individual has overall masculine development. However, the feminine development is also expressed.C. The affected individual is short statured.D. Physical, psychomotor and mental development is retarded.E. Such individuals are sterile.Choose the correct answer from the options given below:

Broad palm with single palm crease is visible in a person suffering from:

Given below are two statements:Statement I: RNA mutates at a faster rate.Statement II: Viruses having RNA genome and shorter life span mutate and evolve faster.In the light of the above statements, choose the correct answer:

Which of the following symbols represents mating between relatives in human pedigree analysis?