Question 1

Match the following terms to the condition with which they best correspond.
-snapdragon flower color

Accepted Answer

A) epistasis 
B) incomplete dominance 
C) codominance 
D) pleiotropy 
E) continuous variation

Question 2

In the lungs of cystic fibrosis patients,____.

Accepted Answer

A) chloride ions are stuck inside epithelial cells 
B) water is excessively abundant on epithelial surfaces 
C) epithelial surfaces are coated with slippery mucus 
D) excess water and chloride ions are pumped out of epithelial cells 
E) chloride ions are not transported out of epithelial cells, and epithelial surfaces are dry

Question 3

For this problem,you may want to create a Punnett Square on a separate piece of paper.Assume brown eyes are dominant to blue eyes and dimples are dominant to no dimples.John has brown eyes and his mother has blue eyes.John does not have dimples.Zena has blue eyes and also has no dimples.What are the chances if this couple have children,they will produce a child with blue eyes and no dimples?

Accepted Answer

A) 0 
B) ¼ 
C) ½ 
D) ¾ 
E) There is not enough information provided to solve this problem.

Question 4

Match the following terms to the condition with which they best correspond.
-ABO blood types in humans

Accepted Answer

A) epistasis 
B) incomplete dominance 
C) codominance 
D) pleiotropy 
E) continuous variation

Question 5

Match the following terms to the correct label in the figure below. 
-dominant phenotype

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E

Question 6

Observable traits are known in genetics as ____.

Accepted Answer

A) phenotypes 
B) genotypes 
C) homozygous 
D) heterozygous 
E) homozygous genotypes

Question 7

Match the following terms to the description with which they best correspond.
-effect in which a trait is influenced by the product of multiple genes

Accepted Answer

A) Genotype 
B) Heterozygous 
C) dihybrid cross 
D) Pleiotropic 
E) codominance
F)epistasis
G)incomplete dominance
H)syndrome
I)continuous variation
J)aneuploidy

Question 8

Various forms of the same gene are called ____.

Accepted Answer

A) genotypes 
B) alleles 
C) somatic 
D) recessive 
E) phenotypes

Question 9

A pleiotropic gene ____.

Accepted Answer

A) acts on secondary sexual characteristics 
B) influences multiple traits 
C) is additive 
D) produces lethal effects when homozygous 
E) produces epigenetic effects

Question 10

Narrative: Achondroplasia,a hereditary form of dwarfism,is an autosomal dominant disorder; however homozygous dominant individuals either die before birth or very shortly thereafter.The homozygous recessive condition is normal.A dwarf couple decide to have children.Use this information to answer the following question: Of the children of this couple who survive,what is the probability that they will be normal?

Accepted Answer

A) 0 
B) ¼ 
C) 1/3 
D) 2/3 
E) ½

Question 11

In a pedigree chart,a female showing the specific trait being studied is indicated by a ____.

Accepted Answer

A) clear square 
B) darkened square 
C) clear circle 
D) darkened diamond 
E) darkened circle

Question 12

Match the following terms to the correct label in the figure below. 
-heterozygous

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E

Question 13

____ is the most fatal genetic disorder in the United States.

Accepted Answer

A) Cystic fibrosis 
B) Huntington's disease 
C) Sickle cell anemia 
D) Anhidrotic dysplasia 
E) Color blindness

Question 14

The most common type of mutation that cause cystic fibrosis is a(n)____.

Accepted Answer

A) deletion 
B) insertion 
C) base-pair substitution 
D) gene duplication 
E) transformation

Question 15

Match the following terms to the correct label in the figure below. 
-recessive phenotype

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E

Question 16

The main problem for those with cystic fibrosis involves ____.

Accepted Answer

A) mucus sticking to dry surfaces 
B) jerky muscle contractions 
C) constant thirst 
D) salt accumulations between tissues 
E) low pH in tissues preventing proper enzymatic activity

Exam 9: Patterns Of Inheritance

Match the following terms to the condition with which they best correspond. -snapdragon flower color

In the lungs of cystic fibrosis patients,____.

Match the following terms to the condition with which they best correspond. -ABO blood types in humans

Match the following terms to the correct label in the figure below. -dominant phenotype

Observable traits are known in genetics as ____.

Match the following terms to the description with which they best correspond. -effect in which a trait is influenced by the product of multiple genes

Various forms of the same gene are called ____.

A pleiotropic gene ____.

In a pedigree chart,a female showing the specific trait being studied is indicated by a ____.

Match the following terms to the correct label in the figure below. -heterozygous

____ is the most fatal genetic disorder in the United States.

The most common type of mutation that cause cystic fibrosis is a(n) ____.

Match the following terms to the correct label in the figure below. -recessive phenotype

The main problem for those with cystic fibrosis involves ____.