Mendelian Genetics

Front

What did Gregor Mendel study?

Back

Gregor Mendel studied pea plants.

Front

What is an observable characteristic called?

Back

An observable characteristic is called a trait.

Front

What does homozygous recessive mean?

Back

Homozygous recessive refers to having two identical recessive alleles for a trait, represented as 'rr'.

Front

What are the different forms of a gene called?

Back

The different forms of a gene are called alleles.

Front

What is an organism that carries both a dominant and recessive allele for the same trait called?

Back

An organism that carries both a dominant and recessive allele for the same trait is called a hybrid.

Front

What is the term for the physical expression of a trait?

Back

The physical expression of a trait is called the phenotype.

Front

What is the genetic makeup of an organism called?

Back

The genetic makeup of an organism is called the genotype.

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present.

Front

What is the law of segregation?

Back

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