Back to PRINCIPLE OF INHERITANCE AND VARIATION

NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

1 Medium

1 of 1

Understanding +4 | -1

The ratio 1 : 1 : 1 : 1 is obtained from a cross between the parents

View answer and explanation

Correct option: D

\mathrm{RrYy} \times \mathrm{rryy}

Option D (

\mathrm{RrYy} \times \mathrm{rryy}

) is correct because this cross represents a test cross, where a dihybrid heterozygous individual (RrYy) is crossed with a homozygous recessive individual (rryy), resulting in a 1:1:1:1 phenotypic ratio.

More Questions from PRINCIPLE OF INHERITANCE AND VARIATION

Practice All Chapter MCQs →

A woman has an X-linked condition on one of her

\mathrm{X}

chromosomes. This chromosomes can be inherited by Some individuals with blood group –A may inherit the genes for blonde hair, while other individuals with blood group – A may the gene for brown hair. This can be best explained by the principle of On crossing two heterozygous tall plants (Tt), and total of 500 plants were obtained in

{F_1}

generation. What will be the respective number of tall and dwarf plants obtained in

{F_1}

generation? Colourblindness is caused due to Syndrome stands for In phenylketonuria mental retardation takes place due to accumulation of