Punnett Squares

Front

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Back

dominant

Front

Aa is

Back

heterozygous

Front

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

Back

50%

Front

Which of the following is a phenotype? Aa, red hair, heterozygous, DNA

Back

red hair

Front

What gender has an X and a Y chromosome?

Back

male

Front

Define a Punnett Square.

Back

A Punnett Square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene.

Front

What is a genotype?

Back

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

Front

What is a phenotype?

Back

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