Question

The study of ------------ and ------------------ is called genetics

A) Gene and DNA

B) Variation and heridity

C) Chromosomes and Gene

D) Heridity and inheritance



The study of similarities between individuals is --------------- and --------------- is differences among offsprings of same parents

A) Gene and DNA

B) Variation and heridity

C) Heridity and variation

D) Heridity and inheritance



------------------ is the theory which best explains inheritance

A) Preformation

B) Epigenesis

C) Germplasm theory

D) Mendel's law of inheritance



----------- cut the tails of ---------- for 22 generations to prove germplasm theory

A) Weismann, rabbit

B) Mendel, Rat

C) Weismann, Rat

D) Lamarck, Girraff



The gene which can develop its protein in the present of its alternate part is known as ---------------

A) Allele

B) Dominant

C) Co Dominant

D) Partial Dominance



If both alleles of a gene express independently, without affecting each other, are known as--------------------

A) Co Dominant

B) PartialDominant

C) Dominant

D) Recessive





Mendel's 2nd law of inheritance states----------------------------------

A) Characters are controlled by factors, these factors always present in the form of pairs, these separate at the time of gamete formation and reunite at the time of zygote formation

B) If there are more than one factor present in a cross they will assort independently regardless of each other

C) There are two kinds of cells present in an individual, somatic cell and germ cells

D) one gene can produce one enzyme





Which of the following is the example of phenocopy

A) Pea Plant height

B) Pea Plant Seed Shape

C) Drosophila eye color

D) Drosophila Skin Color



Which of the following is the phenotypic ratio of F2 for lethal gene

A) 1:1

B) 2:1

C) 3:1

D) 9:3:3:1



In human ABO blood group gene, total alleles are ---------

A) 1

B) 2

C) 3

D) 4





In sex linked inheritance, the genes which are bound to the sex of the individual, are present on ---------- chromosomes

A) Sex

B) Somatic

C) Male

D) Female





In human, the sex chromosomes in male are -------------

A) ZZ

B) XO

C) XX

D) XY​

Answer 1

1. ans B)variation and heredity.

2. ans A) genes and DNA.

3. ans D) mendel's law of inheritance.

4. ans A) weismann ,rabbit.

5 ans