Biology Midterm Review

Front

What forms the sides (backbone) of the DNA ladder?

Back

Deoxyribose sugar and phosphate.

Front

What is the exact genetic makeup of an organism called?

Back

Genotype.

Front

What type of inheritance is characterized by the presence of a dominant allele?

Back

Autosomal Dominant.

Front

What stage of the cell cycle involves the separation of sister chromatids?

Back

Anaphase.

Front

What process occurs during Prophase 1 involving the exchange of alleles?

Back

Crossing-over.

Front

What is the basic unit of heredity?

Back

Gene.

Front

What is the observable physical or biochemical characteristics of an organism?

Back

Phenotype.

Front

What is the term for different forms of a gene?

Back

Alleles.

Front

What is the process by which DNA is copied to produce two identical DNA molecules?

Back

DNA Replication.

Front

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

Back

Genotype.