Unit 4 Review

Front

What is a version of a gene called?

Back

An allele is a version of a gene.

Front

In which stage is DNA replicated?

Back

DNA is replicated during Interphase.

Front

What is the longest stage of the cell cycle?

Back

The longest stage of the cell cycle is Interphase.

Front

Who is known for studying pea plants and their characteristics?

Back

Gregor Mendel studied different characteristics of pea plants by cross-pollinating them.

Front

What is the physical expression of a trait in an organism called?

Back

The physical expression of a trait is called a phenotype.

Front

What is the term for the genetic makeup of an organism?

Back

The genetic makeup of an organism is called a genotype.

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed when at least one dominant allele is present, while recessive traits are expressed only when two recessive alleles are present.

Front

What is the role of chromosomes in genetics?

Back

Chromosomes carry genetic information in the form of genes.

Front

What is the process of cell division called?

Back

The process of cell division is called mitosis.

Front

What is the significance of Gregor Mendel's work?

Back

Gregor Mendel is known as the father of genetics for his work on inheritance patterns in pea plants.