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.

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


Level 2 - Test 2

2 factors that affect health and development Genes (biology) and environment
Each chromosome contains DNA
What is inside a chromosome? Genes
A lot of genes, about 30,000 genes can be found in a ____________. Genome
The structure that holds our DNA is called a ___________. Chromosome
Mom and dads genes are called ____________. Allele. Controlled by hereditary
How many sets of genes does an individual have? 2
How many sets of genes does one person pass down during conception? 1
What does phenotype mean? What the offspring looks like. Interaction of genotype and the environment.
Define genotype. What genes the organisms (baby) have. The total genes transmitted from parent to offspring.
What is a mutated gene? It is an abnormal gene.
Genetic therapy Can correct or replace mutated genes.
Syndrome A group of signs & symptoms of an abnormal condition.
List the chromosome and genes that will determine the characteristics of the newborn. Chromosome, nucleus, cells, gene and DNA. CNCDG
Zygote Fertilized egg.
Ectopic pregnancy Occurs when the zygote latches to the tube rather than the uterus.
What are the Symptoms of a ruptured Fallopian tube? Pain and a lot of bleeding. Very serious.
List 3 recessive disorders. Sickle cell anemia (African), Tay Sachs (Jewish) and hemophilia (lacks clotting).
Screening procedures Amniocentesis, chronic villi sampling and umbilical sampling.
When does fertilization occur? When the sperm penetrates the ovum as it enters the upper Fallopian tube. Very brief.
How many chromosomes does an individual have? 46
How many pairs of chromosomes does an individual have? 22 pairs plus 1 pair of sex chromosome. A total of 23 pairs.
What are sex cells? sperm and ovum.
Mitosis How most cells split.
Sex cells split through ___________. Meiosis
Where should the zygote latch? Upper posterior portion of the uterine wall.
Created by: Alie75