What is the difference between an allele and a gene?

Answer 1

The following explanation may help.

The alternate forms of a gene pair are called alleles.

While

Genes are the characteristic units of hereditary which are transferred from the parents to the offsprings.

Alleles actually give the means of expression of a gene. For instance, we have a gene of height, then tallness and shortness are the two alternating phenotypes of this gene which are represented by the two alleles of this gene pair.
Moreover, Alleles are inherited in pairs but genes are generally not.

The following video may help. A quick guide about the difference between gene and allele

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Answer 2

Maya Anderson

A gene is a segment of DNA that contains the instructions for a specific trait or function, while an allele is a variant form of a gene, differing in DNA sequence.

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Answer 3

Benjamin Alvin

A gene is a segment of DNA that contains the instructions for building a specific protein or performing a particular function. An allele is a variant form of a gene, differing from other alleles of the same gene by one or a few bases. In simpler terms, a gene represents a specific trait or characteristic, while an allele is one of the possible versions of that gene.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.