NEET BIOLOGY

GENETICS AND EVOLUTION

INHERITANCE AND VARIATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
One or two alternative forms of a gene is called:
A
RNA
B
Restrictin Enzyme
C
karyotype
D
allele
Explanation: 

Detailed explanation-1: -"Alleleā€ is the word that we use to describe the alternative form or versions of a gene. People inherit one allele for each autosomal gene from each parent, and we tend to lump the alleles into categories. Typically, we call them either normal or wild-type alleles, or abnormal, or mutant alleles.

Detailed explanation-2: -Final answer: The term for alternative forms of a gene is known as allele or alleles.

Detailed explanation-3: -This inheritance means that individuals have two gene copies for a given trait, one inherited from their mother and the other from their father. These are known as maternal alleles and paternal alleles. It is how these alleles interact that is responsible for unique characteristics.

Detailed explanation-4: -allele, also called allelomorph, any one of two or more genes that may occur alternatively at a given site (locus) on a chromosome. Alleles may occur in pairs, or there may be multiple alleles affecting the expression (phenotype) of a particular trait.

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