Genetics Flashcard Review

Front

What is the purpose of mitosis?

Back

Cell division for growth, repair, and asexual reproduction.

Front

What is the role of tumor suppressor genes?

Back

Inhibit cell division or induce cell death.

Front

Which technique is used to amplify a specific segment of DNA?

Back

PCR (Polymerase Chain Reaction)

Front

What is the phenotypic ratio in a monohybrid cross (Aa x Aa)?

Back

3:1

Front

During which stage of mitosis do chromosomes line up at the cell's equator?

Back

Metaphase

Front

Define genetics.

Back

The study of heredity and the variation of inherited characteristics.

Front

What is a gene?

Back

A segment of DNA that contains the instructions for building a protein.

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic makeup of an organism, while phenotype is the observable traits.

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.