EASY
NEET
IMPORTANT
Earn 100

If a cross is made between two individuals, each having a genotype Bb, two offspring are obtained. Out of these, one has a dominant trait. What is the probability that the second offspring will exhibit the recessive trait

50% studentsanswered this correctly

Important Questions on Principles of Inheritance and Variation

EASY
NEET
IMPORTANT

Chromosomal aberrations are commonly observed in_____.

EASY
NEET
IMPORTANT

Question Image The given symbol used in pedigree analysis, represents:- 

EASY
NEET
IMPORTANT

Given pedigree represents inheritance of myotonic dystrophy which is an autosomal dominant disorder. What will be genotype of parents?

Question Image 

EASY
NEET
IMPORTANT
In man, gene producing the disease phenylketonuria also produces a number of abnormal phenotypic traits, which are collectively called a syndrome. This gene results in mental retardation, widely spaced incisors, pigmented patches on the skin and excessive sweating. Such types of genes are called
EASY
NEET
IMPORTANT
A man with a certain disease marries a normal woman. They have eight children (3 daughters and 5 sons). All the daughters suffer from their father's disease, but none of the sons is affected. What will be the mode of inheritance of this disease?