Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


the allele that is expressed, regardless of the other allele

recessive allele

the allele that is expressed only if there is no dominant allele present


having different alleles for a particular gene


having two identical alleles for a particular gene


: the actual genetic makeup (for example: FF, Ff, or ff)


the observable physical traits (for example: purple flower color

recessive inherited disease like cystic fibrosis.

Heterozygous parents are carriers of the disease-causing allele

dominant inherited disease

One dominant allele is needed to show disease
Dominant lethal alleles are usually eliminated from the population

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording