Gregor Mendel and Genetics

Front

What is the term for an organism with two of the same alleles?

Back

Homozygous

Front

What is the branch of science that studies heredity?

Back

Genetics

Front

Who is Gregor Mendel?

Back

An Austrian Monk from the mid 1800s who contributed to the study of Genetics.

Front

What is a trait that is hidden by the presence of a dominant trait called?

Back

Recessive trait.

Front

What did Gregor Mendel study?

Back

Pea Plants.

Front

What is an allele?

Back

An allele is a variant form of a gene.

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 only expressed when two recessive alleles are present.

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by the alleles it possesses.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is the Law of Segregation?

Back

The principle that during the formation of gametes, the two alleles for a trait separate from each other.