3rd SW Semester Review

Front

What is the genotype of a homozygous dominant round seeded plant?

Back

RR

Front

What is the genotype of a homozygous recessive wrinkled seeded plant?

Back

rr

Front

What process involves the exchange of genetic material between homologous chromosomes?

Back

Crossing over occurs during meiosis.

Front

What type of mutation results in the insertion of a different amino acid?

Back

A substitution mutation.

Front

What type of mutation occurs when a base is inserted into one strand of DNA?

Back

Insertion mutation.

Front

At what temperature range is enzyme activity typically at its greatest?

Back

35-45 ºC

Front

What are the possible effects of mutations within the DNA sequence of an organism?

Back

Mutations can be harmful, helpful, or have no effect.

Front

What is the definition of a homozygous genotype?

Back

A genotype consisting of two identical alleles for a particular gene.

Front

What is the definition of a heterozygous genotype?

Back

A genotype consisting of two different alleles for a particular gene.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.