Punnett Squares

Dropdown

For a certain type of flower, there are two possible alleles: R for red and r for white.

The dominant allele is ​

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and the recessive allele is ​

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Open Ended

In humans, right-handedness is dominant over left-handedness. Why are there more right-handed people in the world than there are left-handed people (only about 10% of people are left-handed).

Drag and Drop

For a certain type of flower, there are two possible alleles: R for red and r for white.

A flower has two dominant alleles...

The phenotype is ​

Placeholder

.

The genotype is ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

red

RR

rr

Dropdown

For a certain type of flower, there are two possible alleles: R for red and r for white.

A flower is heterozygous...

The phenotype is ​​

Select answer

.

The genotype is ​

Select answer

.