Week 5: Cell Cycle Part 3

Question 1

changes in the DNA or RNA sequence; can have significant phenotypic effects or they can have no effects

Answer 1

mutations

Question 2

condition caused by abnormalities, such as mutations, in your genes or chromosomes

Answer 2

genetic disorder

Question 3

one copy of one mutated gene from one parent can cause the genetic condition

Answer 3

autosomal dominant inheritance

Question 4

a representation of genetic inheritance; chart; family tree

Answer 4

pedigree

Question 5

two copies of an abnormal gene must be present in order for the disease to develop

Answer 5

autosomal recessive inheritance

Question 6

occurs when a gene responsible for a trait or disorder is located on the X chromosome.

Answer 6

X-linked

Question 7

means both males and females can display the trait or disorder when they only have one copy of the gene inherited from a parent

Answer 7

dominant

Question 8

mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be always expressed in males and in females who are homozygous for the gene mutation.

Answer 8

X-linked recessive

Question 9

condition that is located in the Y chromosome.

Answer 9

Y-linked disorders

Question 10

what type of inheritance pattern is cystic fibrosis?

Answer 10

autosomal recessive

Question 11

what type of inheritance pattern is the tay-sachs disease?

Answer 11

autosomal recessive

Question 12

what type of inheritance pattern is the achondroplasia?

Answer 12

autosomal dominant

Question 13

____ occurs when the plasma membrane folds inward to form a channel allowing dissolved substances to enter the cell

Answer 13

Pinocytosis

Question 14

Anyone can be a carrier of the Tay-Sachs mutation, but the disease is most common among the _____

Answer 14

Ashkenazi Jewish population

Question 15

Human cells have ___ pairs of chromosomes

Answer 15

23

Question 16

The most common form of dwarfism in humans, and it is a dominant mutation

Answer 16

achondroplasia