Genetics (History, Monohybrid Cross) MCQ Test - Botany, Class 12 - Class 12 MCQ

The word "Genetics" coined by :-

Dihybrid plants form how many types of pollen grains :-

When flowers are unisexual then emasculation is done in :-

How many plants are dihybrid in F₂ generation of dihybrid cross :-

When a plant have two alleles of contrasting characters it is called :-

Phenotypic ratio 3:1 proves :-

Mendel's conclusion first published in :-

What is the ratio of one pair of contrasting characters in F₂ of a dihybrid cross :-

What is the ratio of one pair of contrasting characters in FWhat is ratio of homozygous and heterozygous individuals in F₂ of a monohybrid cross :-

During a dihybrid cross with contrasting characters in the F₂​ generation parental genotypes will appear in ............. ratio.

What is the ratio of one pair of contrasting characters in F2 of a dihybrid cross?

WhWhich of the following is significance of dominance

An offspring of two homozygous parents differing from one another by alleles at only one gene locus is known as :-

From a single ear of corn, a farmer planted 200 kernels which produced 140 tall & 40 short plants.The genotypes of these offsprings are most likely :-

A useful process for determining whether an individual is  homozygous or heterozygous is :-

Genetic recombinations occur through :-

Disease resistant varieties can be produced by :-

Heterozygous tall plants were crossed with dwarf plants. what will be the ratio of dwarf plants in the progeny :-

 A pure tall plant can be differentiated from a hybrid tall plant :

Which of the following is the unit of inheritance :-

If the cell of an organism heterozygous for two pairs of genes represented by Aa, Bb, under goes meiosis, then the possible genotypic combination of gametes will be :-

Allele is the :-

Sex linkage first observed by :-

Types of genotypes in F₂  generation of dihybrid cross :-

A character which is expressed in a hybrid is called

Cross  AABb X aaBb yields AaBB : AaBb : Aabb:aabb offspring in the ratio of :-

Genetic constitution of an individual is represented by :-