MEDIUM
NEET
IMPORTANT
Earn 100

Read the following statements and state true (T) and false (F):

A. The genotypic ratio of flower colour in snapdragon is exactly similar to genotypic ratio of Mendelian monohybrid cross.

B. In a diploid organism, there are four copies of each gene.

C. If we want to determine the genotype of violet flowered pea plant, then it is crossed with recessive parent.

75% studentsanswered this correctly

Important Questions on Principles of Inheritance and Variation

MEDIUM
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 10

Study the given pedigree and identify the given trait.

Question Image

 

MEDIUM
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 11

A colourblind daughter is born where:

EASY
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 12
Which of the following was not the observation that was made by Mendel in his experiment with garden peas?
MEDIUM
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 13
How many types of genotypes are formed in F2 progeny obtained from self-pollination of a dihybrid F1?
MEDIUM
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 14

The pedigree shows the occurrence of albinism which is a recessive trait. If person 4 is homozygous, the carrier for the trait is :-

Question Image

EASY
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 15
Phenotype of an organism is the result of
HARD
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 16
In a typical Mendelian cross which is a dihybrid cross, one parent is homozygous for both dominant traits and another parent is homozygous for both recessive traits. In the F2 generation, both parental combinations and recombinations appear. The phenotypic ratio of parental combinations to recombinations is
MEDIUM
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 27 - Principles of Inheritance and Variation>Level 2>Q 17
If a cross between two individuals produces offsprings with 50% dominant character (A) and 50% recessive character (a), what are the genotypes of parents?