Inheritance

Front

What is the definition of genotype?

Back

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

Front

What is the definition of phenotype?

Back

The phenotype is the physical expression or characteristics of an organism, determined by its genotype and environment.

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene (e.g., AA or aa).

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene (e.g., Aa).

Front

If purple (P) flowers are dominant to white (p) flowers, what is the phenotype of a flower with genotype pp?

Back

The phenotype is white flowers.

Front

What is the genotype of a flower that is homozygous dominant for purple flowers?

Back

The genotype is PP.

Front

Which is an example of a homozygous genotype?

Back

Examples include AA or aa.

Front

Which is an example of a heterozygous genotype?

Back

An example is Aa.

Front

What is the genotype of a seed that is homozygous recessive for smooth seeds?

Back

The genotype is ss.

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their traits even when only one copy is present, while recessive alleles express their traits only when two copies are present.