Genetics (Pedigree)

Front

What does a shaded symbol represent in a pedigree chart?

Back

A shaded symbol indicates that the individual has the trait being studied.

Front

What does a not shaded symbol represent in a pedigree chart?

Back

A not shaded symbol indicates that the individual does not have the trait being studied.

Front

What is a pedigree chart?

Back

A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors.

Front

What is a recessive trait?

Back

A recessive trait is a trait that is only expressed when an individual has two copies of the recessive allele.

Front

What is a dominant trait?

Back

A dominant trait is a trait that is expressed when at least one dominant allele is present.

Front

What are genotypes?

Back

Genotypes are the genetic makeup of an individual, represented by the alleles they possess.

Front

What are phenotypes?

Back

Phenotypes are the observable characteristics or traits of an individual, determined by their genotype.

Front

What does 'Aa' represent in genetics?

Back

'Aa' represents a heterozygous genotype, where one allele is dominant (A) and the other is recessive (a).

Front

What does 'aa' represent in genetics?

Back

'aa' represents a homozygous recessive genotype, where both alleles are recessive.

Front

What does 'AA' represent in genetics?

Back

'AA' represents a homozygous dominant genotype, where both alleles are dominant.