Fill-in Punnett Square Practice

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses (e.g., BB, Bb, bb).

Front

What does the letter 'T' represent in pea plants?

Back

The letter 'T' represents the allele for tall plants in pea plants.

Front

What does the letter 't' represent in pea plants?

Back

The letter 't' represents the allele for short plants in pea plants.

Front

What is a Punnett Square?

Back

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

Front

What is the purpose of using a Punnett Square?

Back

The purpose is to determine the probability of an offspring inheriting particular traits from its parents.

Front

What is the phenotype of an organism?

Back

The phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is the probability of obtaining a homozygous dominant offspring from a cross of BB x Bb?

Back

The probability is 50%.

Front

What is the probability of obtaining a homozygous recessive offspring from a cross of Bb x Bb?

Back

The probability is 25%.

Front

What does heterozygous mean?

Back

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

Front

What is the ratio of offspring that could be tall from a cross of TT x tt?

Back

The ratio is 4 in 4 (100%).