Genetic Test Part II

Question 1

Where is genetic information contained?

Answer 1

Genetic information is found in dna in the nucleus of the cell

Question 2

How is the human body organized genetically from large to small?

Answer 2

Cells, Chromosomes, DNA

Question 3

What can provide information on human genetics?

Answer 3

Pedigree, breeding results from animals/plants ( punnett square), human DNA,

Question 4

What is the 50/50 Rule?

Answer 4

Each parent contributes 50% or 1 half of the chromosomes to their kids. Recessive traits must come from both parents

Question 5

How can DNA fingerprinting be used?

Answer 5

Find lost kids, ID a person at a crime scene, diagnose a genetic disease, ID a person (Live or dead), determine if related to someone.

Question 6

What does a pedigree look like with a recessive trait? A dominant trait?

Answer 6

Recessive trait (Diabetes)– Usually not shown in F1 generation(masked by the dominant trait)
Dominant trait (Marfan syndrome, polydactyly)–Shown in every generation if passed on

Question 7

Know ABO and +/- blood typing

Answer 7

ABO blood typing is co-dominant
+/- is regular dominant/recessive
A and B are dominant
O is recessive
Rh+ is dominant
Rh- is recessive

Question 8

Can someone be blood type O from Dad being Blood Type A and Mom being Blood Type B?

Answer 8

Yes–Both Mom and Dad carry recessive traits
Dad–AO
Mom–BO
Kid is OO

Question 9

Can a kid be Blood Type AB+ if Mom is Blood type AB- and Dad is blood type BO-?

Answer 9

Mom–AB-
Dad-BO-

NO–Even though it is possible to get a kid that is AB blood type, Mom and Dad are Rh- and can not make kid AB+

Question 10

Can someone be Rh- when both parents are Rh+?

Answer 10

YES–Both Mom and Dad carry recessive traits
Dad is +-
Mom is +-
Kid is –