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.
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

Punnett Square

Punnett Square Problem

Cross a homozygous black fur animal with a homozygous white fur animal (B-black, b-white) Genotype =BB Phenotype=bb
Cross a purebred dominant pea plant with a purebred wrinkled pea plant (R= round, r=wrinkled) Genotype=RR Phenotype=rr
Cross a hybrid red fruit with a purebred red fruit (R=red, r=yellow) Genotype=Rr Phenotype=RR
Cross a homozygous blue eyed animal with a heterozygous brown eyed animal (B=brown, b=blue) Phenotype=bb probability offspring will have brown eyes=Bb
Cross two heterozygous tall pea plants (T=tall, t=short) Genotype=Tall Phenotype=Short
Cross a hybrid curly haired parent with a purebred straight haired parent (C=curly, c=straight Genotype=cc Probability of curly haired offspring=CC
r rescessive
t recessive
D dominant
f recessive
Q dominant
QQ Homozygous Dominant
rr Homozygous Recessive
Yy Homozygous Dominant
aa Homozygous Recessive
Ee Homozygous Dominant
Pink flower color (F) is dominant over White (f) Pink=F White=F
Brown feathers (G) are dominant over Grey (g) Brown=g Grey=G
Straight hair is dominate over curly hair HH=Sh Hh=Sh hh=ch
Tall pea plants are dominate over short TT=Tall Tt=Tall tt=short
Green leaves are dominate over yellow leaves GG=green Gg=green gg=yellow
Created by: adclark2