Exam 3 Lab 11

Question 1

Autosomal Disorder

Answer 1

A single abnormal gene on one of the first 22 chromosomes

It can be dominant or recessive

Question 2

X-Linked disorder

Answer 2

Gene carried on the X chromosome that has nothing to do with gender

It actually mainly effects males due to them only having one X chromosome

Question 3

Multiple Allele Inheritance

Answer 3

Gene has more than 2 possible alleles but each person only has 2. This is common in blood typing (ABO blood) there are IA, IA, and i and any combination of the two.

Question 4

What types of Genetic abnormalities can be diagnosed with a karyotype

Answer 4

Having extra, or not enough chromosomes. The most common disorder is Trisomy 21, which is having 3 chromosome 21. This is downs syndrom

Question 5

How does blood typing work?

Answer 5

IA carries A antigen
IB carries B antigen
i doesnt carry either antigen
Clotting indicates the blood type as well as Rh+/-

Question 6

What do circles represent in pedigrees

Answer 6

Females

Question 7

What do squares represent in pedigrees

Answer 7

Males