Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




share
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

Bio

Unit 07-Complex Genetics

QuestionAnswer
What are the sex chromosomes for a normal male? XY
In a pedigree how would we show a male that has the trait we are observing? Filled-in square
What is the general term for when you have more than 2 copies of a chromosome? Trisomy
What is a single term to explain incomplete dominance? Blending
What is an example of a multiple allele trait? ABO blood typing
In pedigrees, traits can be sex-linked or ___________. Autosomal
For females to express a recessive sex-linked trait, how many alleles for that trait do they have to receive in order to display that trait? 2 copies
When dealing with a trait that is codominant, explain what a heterozygous individual will display. They will have ½ of one version and ½ the other version.
What is a genotype for heterozygous Type B blood? Bi
Can a female ever get a sex-linked recessive disorder? If no, explain why. If yes, give example of genotype. yes, XhXh
What are two methods of pre-natal testing that can be done to determine if there are chromosomal number problems? Amniocentesis and CVS (chorionic villi sampling)
What is an example of a trisomy for chromosome #21? Down syndrome
Autosomal means the chromosome pairs numbered 1-? 1-22
What little letters do we never use with blood typing? a, b
What is the term for when there are several genes that will influence a trait (example: skin color in humans) Polygenic trait
Why can’t males be a carrier for a recessive X-linked disorder? Because males only get one X chromosome, so they have it or do not.
Sex-link traits are mostly on which of the sex chromosomes? X chromosome
What are the sex chromosomes for a normal female? XX
What is the term for when chromatids fail to separate properly? Nondisjunction
What is the term for the picture of an individual’s chromosomes? Karyotype
Created by: thompsondk