B.10b Vocabulary

What is the bottleneck effect?

• A) A type of genetic drift due to a random event reducing population size

• B) The movement of alleles from one population to another

• C) The emergence of a new species

• D) A change in the nucleotide sequence of DNA.

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Match the following genetic terms with their definitions: Gene flow, Genetic drift, Mutation

• Gene flow

• Changes in allele frequencies due to random events.

• Genetic drift

• The movement of alleles from one population to another

• Mutation

• A change in the nucleotide sequence of DNA

Genetic recombination is the ________ of DNA sequences of chromosomes, resulting in new combinations of alleles.

• rearrangement

• mutation

• isolation

• reduction

Tags

NGSS.HS-LS3-2

What is the emergence of a new species as a result of genetic evolution from ancestral species?

• speciation

• mutation

• recombination

• isolation

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

What is a type of genetic drift in which a random goup of individuals becomes isolated from its original population, resulting in new allele frequencies?

• bottleneck effect

• founder effect

• mutation effect

• geographical effect

What is a change in the nucleotide sequence of an organism's DNA?

Tags

NGSS.HS-LS3-2