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

Genetics SB3a.

Intro.to Mendel laws and Meiosis

Gregor Mendel (III) A monk in the 1850’s that studied how plants inherit traits
crossing over occurs when genetic material is exchanged between nonsister homologous chromatids
diploid cell with two copies of every chromosome
haploid In the case of a single-celled eukaryotic organism, having a single complete set of chromosomes. In the case of a multicellular eukaryotic organism, having a single complete set of chromosome in each somatic cell
gametes eggs and sperm for sexual reproduction
gene represents the genetic material on a chromosome that contains the instructions for creating a particular trait
allele is one of several varieties of a gene
trait is a distinguishing personal characteristic or quality.
locus refers to the location on a chromosome where a gene is located
Meiosis formation of gametes; a human has 46 chromosomes 23 chromosomes from mom and 23 chromosomes from father (sperm has 23 and egg has 23)
law of segregation refers to the random segregation of alleles (and their chromosomes) to separate gametes
law of independent assortment homologous chromosomes, and the genes they carry, segregate independently of the segregation of other chromosome pairs.
multiple alleles three or more alleles for a particular gene
pedigree a chart that shows the presence or absence of a trait according to the relationships within a family across several generations
genetic variability the process in which homologous chromosomes will exchange genetic material with one another
linked genes genes that reside on the same chromosome and thus cannot segregate independently because they are physically connected.
nondisjunction occurs when the chromosomes do not properly separate
Created by: delisa.knighton