Chapter 6 Transmission/Mendelian Genetics

Question 1

Mendel Crossed homozygous parents with smooth (SS) and wrinkled (ss) seed to make heterozygous smooth F1 seed. These F! seed were then selfed. What is the chance that a wrinkled F2 seed will breed true (produce only one phenotype) when selfed?

A) 75%
B) 100%
C) 25%
D) 66%
E) 0%

Answer 1

B) 100%

Question 2

Which of the following are indicated in the Hol et al. paper?

A) Transmission genetics
B) Hardy Weinberg - Natural Selection
C) Hardy Weinberg - Migration
D) The central Dogma
E) All of the above

Answer 2

E) All of the above

Question 3

True or False?

This pedigree represents autosomal recessive inheritance. (any possible carriers are NOT shown).

Answer 3

False

Question 4

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 4

True

Question 5

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 5

False

Question 6

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 6

False

Question 7

True or False?

This pedigree represents possible Autosomal Dominant Inheritance

Answer 7

True

Question 8

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 8

True

Question 9

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 9

False

Question 10

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 10

True

Question 11

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 11

False

Question 12

True or False?

This pedigree represents possible Autosomal Recessive Inheritance (Carriers Shown)

Answer 12

False

Question 13

You have performed a test on a patient and found that the mRNA of a suspect gene in the pathway of interest has been under-expressed, which of the following could be the cause?

A) Defective (Recessive) allele
B) Trisomy
C) Monosomy
D) None of the above
E) Either B or C

Answer 13

C) Monosomy

Question 14

True or False?

This pedigree represents possible Autosomal Dominant Inheritance

Answer 14

True

Question 15

Mendel crossed homozygous parents with smooth (SS) and wrinkled (ss) seed to make heterozygous smooth F1 seed. These F1 seed were then selfed.
What is the chance that an F1 seed chosen at random will be wrinkled?

A) 75%
B) 25%
C) 33%
D) 66%
E) 0%

Answer 15

E) 0%