Principles of Inheritance and Variation NEET PYQs

The production of gametes by the parents, formation of zygotes, the F1 and F2 plants, can be understood from a diagram called:

In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?

How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?

Identify the wrong statement with reference to the gene 'I' that controls ABO blood groups.

Experimental verification of the chromosomal theory of inheritance was done by:

Select the correct match.

The number of contrasting characters studied by Mendel for his experiments was:

Chromosomal theory of inheritance was proposed by:

The best example for pleiotropy is:

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F₁ generation, pink flowers were obtained. When pink flowers were selfed, the F₂ generation showed white, red and pink flowers.
Choose the incorrect statement from the following :