NEET BIOLOGY

GENETICS AND EVOLUTION

INHERITANCE AND VARIATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An allele that is masked when a dominant allele is present
A
Genotype
B
Gene
C
Recessive allele
D
None of the above
Explanation: 

Detailed explanation-1: -The masked allele is called recessive and the allele that expresses itself is called dominant. In presence of a dominant allele, the recessive character cannot be expressed i.e., masked. When a recessive allele is present in double dose, only the recessive character is expressed.

Detailed explanation-2: -In contrast to recessively inherited traits, some alleles are dominant. With a dominant trait, an individual will express the associated phenotype even with just one copy of the allele for the trait.

Detailed explanation-3: -When one of the alleles of a heterozygous pair masks the presence of another, recessive allele, it is known as a dominant allele. Understanding genetic dominance, from its discovery to its related variations, is an important step in the overall comprehension of the transmission and expression of genetic material.

Detailed explanation-4: -A recessive gene is a gene whose effects are masked in the presence of a dominant gene.

Detailed explanation-5: -A dominant allele would be able to mask the expression of a recessive allele. A phenotype is the actual physical characteristic expressed.

There is 1 question to complete.