Genetics Fundamentals Quiz

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Questions and Answers

What is an allele?

A region of DNA with some biological function
One of two or more alternative forms of a gene (correct)
A combination of alleles at one or more loci possessed by an individual organism
A specific place on a chromosome occupied by an allele

What is a genotype?

One of two or more alternative forms of a gene
A region of DNA with some biological function
A combination of alleles at one or more loci possessed by an individual organism (correct)
An individual organism possessing two different alleles at a locus

What is a heterozygote?

One of two or more alternative forms of a gene
A specific place on a chromosome occupied by an allele
An individual organism possessing two different alleles at a locus (correct)
The physical form of a biological characteristic resulting from the interaction between a genotype and the environment

What is a phenotype/trait?

The physical form of a biological characteristic resulting from the interaction between a genotype and the environment (D) Signup and view all the answers

What is a locus?

A specific place on a chromosome occupied by an allele (A) Signup and view all the answers

What is an allele?

One of two or more alternative forms of a gene (C) Signup and view all the answers

What is a genotype?

A combination of alleles at one or more loci possessed by an individual organism (C) Signup and view all the answers

What is a heterozygote?

An individual organism possessing two different alleles at a locus (A) Signup and view all the answers

What is a locus in genetics?

A specific place on a chromosome occupied by an allele (B) Signup and view all the answers

What is a phenotype/trait in genetics?

The physical form of a biological characteristic resulting from the interaction between a genotype and the environment (C) Signup and view all the answers