Punnett Squares

Front

What does it mean to be Heterozygous?

Back

Having two DIFFERENT alleles for a trait.

Front

What is a Recessive Trait?

Back

A trait of an organism that can be HIDDEN by the dominant form of a trait.

Front

What does each box in a Punnett square represent?

Back

The probability of an offspring's genotype, which is 25%.

Front

What is the genotype for a Recessive trait?

Back

tt (lowercase letters indicate recessive traits).

Front

What is the probability of producing heterozygous offspring from a Punnett square?

Back

50%.

Front

What is a Dominant Trait?

Back

A trait that can mask or hide the presence of a recessive trait.

Front

What is an Allele?

Back

Different forms of a gene that determine specific traits.

Front

What does Genotype refer to?

Back

The genetic makeup of an organism, represented by alleles.

Front

What is a Phenotype?

Back

The observable characteristics or traits of an organism.

Front

How do you determine the probability of offspring traits using a Punnett square?

Back

By analyzing the combinations of alleles from the parents.