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

MB Chapter 12-1

Chapter 12 Section 1 Terms

TermDefinition
sex chromosome one of the pair of chromosomes that determine the sex of an individual
autosome any chromosome that is not a sex chromosome
sex-linked trait a trait that is determined by a gene found on one of the sex chromosomes, such as the X chromosome or the Y chromosome in humans
linked gene genes that are linked
chromosome map a diagram of gene positions of a chromosome
map unit units of measurement used on a map
germ-cell mutation a mutation that occurs with a germ
somatic-cell mutation a mutation that occurs in a body cell
lethal mutation a gene or a chromosomal mutation that influences the development of an organism in such a way that the organism cannot survive
deletion the loss of a part of DNA from a chromosome
inversion a reversal in the order of the genes, or of a chromosome segment, within a chromosome
translocation the movement of a segment of DNA from one chromosome to another, which results in a change in the position of the segment; also the movement of soluble nutrients from one part of a plant to another
nondisjunction the failure of homologous chromosomes to separate during meiosis I of the failure of sister chromatids to separate during mitosis or meiosis II
point mutation a mutation in which only one nucleotide or nitrogenous base in a gene is changed
substitution a mutation in which a nucleotide or a codon in DNA is replaced with a different nucleotide
frameshift mutation a mutation, such as the insertion or deletion of a nucleotide in a coding sequence, that results un the misreading of the code during translation because of a change in the reading frame
insertion mutation a mutation at the point at which a muscle is attached to bone
Created by: lakatosv19