Heredity & Genetics

Front

What is the definition of a heterozygous genotype?

Back

A heterozygous genotype consists of two different alleles for a particular gene, such as 'Tt'.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable traits or characteristics.

Front

What is a dominant trait?

Back

A dominant trait is a form of an inherited trait that masks or covers up the other form of the same trait.

Front

What does it mean for a trait to be recessive?

Back

A recessive trait is a form of an inherited trait that is masked by a dominant trait and only expressed when two recessive alleles are present.

Front

What is the significance of offspring inheriting traits from both parents?

Back

Offspring inherit a combination of traits from both parents, leading to genetic diversity and similarities to their parents.

Front

What is an example of a phenotype?

Back

Freckles are an example of a phenotype, as they are an observable characteristic.

Front

What does homozygous dominant mean?

Back

Homozygous dominant refers to having two identical dominant alleles for a trait, such as 'TT'.

Front

What is the role of alleles in heredity?

Back

Alleles are different forms of a gene that determine specific traits in an organism.

Front

How can you identify a homozygous recessive genotype?

Back

A homozygous recessive genotype consists of two identical recessive alleles, such as 'tt'.

Front

What is the purpose of a Punnett square?

Back

A Punnett square is used to predict the genetic outcomes of a cross between two organisms.