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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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

genes and heredity


The way an organism looks based on their genotype is called what? Phenotype
The passing of traits from the parents to offspring is known as? Heredity
A physical characteristic that and organism has? Trait
The study of heredity is known as? Genetics
The mathematical chance that something will happen? Probability
This trait will always show up in an organism when the allele is present. Dominant
The combination of genes (letter combination) is called what? Genetype
The part of the DNA that determines our traits? gene
If an organism has one dominant allele and one recessive allele (Dd), then they are said to be? Heterozygous
If an organism has two dominant traits (TT) or two recessive traits (tt),then they are considered? Homozygous
One single gene is called (T)? Allele
This trait will only show if there is no dominant trait present Recessive Trait
This is used to determine the possible variations of offspring? Punnett Square
What are the components of the strands in the DNA molecule? sugar and phosphates
How many Nitrogenous Bases are there? 4
Waht are the names of the Nitrogenous bases? Adenine, Thymine,Guanine,Cytosine
What base connects to Adenine Thymine
What base connects to Guanine Cytosine
Let's say that Round seed shape is dominant R and wrinkled is recessive r. If a plant has wrinkled seeds, what could the possible genotypes be? rr
The round seed shape is dominant R and the wrinkled is recessive r. If the plant has round seeds, what could be the possible genotypes? RR, Rr
If both parents have RR, then what percentage of the offspring will have wrinkled seeds? 0%
Parent 1: Genotype: RR, Phenotype: ? round
Parent 2: Genotype rr, Phenotype: ? wrinkled
Parent 2: Genotype Rr, Phenotype: ? round
Created by: rasengan