Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Chapter 9

Section 2: Genetic Crosses

Genotype An organism's genetic makeup
Phenotype An organism's appearance
Homozygous When both alleles of a pair are alike
Heterozygous When the two alleles in a pair are different
Probability The likelihood that a specific event will occur
Monohybrid Cross A cross in which only one characteristic is tracked
Punnett Square A graphic used to predict the results of a genetic cross
Genotypic Ratio The ratio o the genotypes that appear in offspring
Phenotypic Ratio The ratio of an offspring's phenotypes
Testcross An individual of unknown genotype is crossed with a homozygous recessive individual
Complete Dominance One allele is completely dominant over another
Incomplete Dominance The F1 offspring will have a phenotype inbetween that of the parents
Codominance Occurs when both alleles for a gene are expressed in a heterozygous offspring
Dilhybrid Cross A cross in which two characteristics are tracked
Created by: McLeanE18