Genetics Quiz

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Which of the following best describes a gene?

The combination of alleles found in an individual

A section of DNA that influences one or more hereditary traits (correct)

The ability of an individual to produce surviving, fertile offspring relative to that ability in other individuals in the population

Different versions of a gene that are responsible for variation in traits

What is an allele?

The combination of alleles found in an individual

The ability of an individual to produce surviving, fertile offspring relative to that ability in other individuals in the population

Different versions of a gene that are responsible for variation in traits (correct)

A section of DNA that influences one or more hereditary traits

What is fitness?

Different versions of a gene that are responsible for variation in traits

A section of DNA that influences one or more hereditary traits

The combination of alleles found in an individual

The ability of an individual to produce surviving, fertile offspring relative to that ability in other individuals in the population (correct)

What is genotype?

The combination of alleles found in an individual Signup and view all the answers

What is phenotype?

An individual's observable features Signup and view all the answers

Which of the following best describes homology?

Similarities or shared characteristics between different species that indicate a common ancestry at the genetic, developmental, or structural level. Signup and view all the answers

What is the relationship between evolution and natural selection?

Natural selection is a broader concept that encompasses various mechanisms of change in allele frequencies. Signup and view all the answers

What does natural selection act on?

Populations Signup and view all the answers

What is the process of evolution by natural selection contingent on?

The ability of an individual to produce surviving, fertile offspring relative to that ability in other individuals in the population. Signup and view all the answers