Free Principles Of Inheritance And Variation (Daily Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

The distance between the genes is measured by

(a) Dobson unit

(b) map unit

(c) Angstrom

(d) millimetre

Question-2

The gene of sickle cell anaemia is inherited by

(a) Bone cells

(b) Blood cells

(c) Sex chromosomes

(d) Autosomes

Question-3

Langdon down described Down's syndrome in which year

(a) 1890

(b) 1866

(c) 1852

(d) 1953

Question-4

A disease caused by an autosomal primary non disjunction is

(a) Turner's syndrome

(b) Klinefelter's syndrome

(c) sickle cell anaemia

(d) Down's syndrome.

Question-5

A woman with normal vision, but whose father was colour blind, marries a colour-blind man. Suppose that the fourth child of this couple was a boy. This boy

(a) must be colour blind

(b) may be colour blind or may be of normal vision

(c) must have normal colour vision

(d) will be partially colour blind since he is heterozygous for the colour blind mutant allele