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Pedigree Practice - Academic Biology

Last updated about 2 years ago

18 questions

For Questions 1-9, use the pedigree chart shown below. Some of the labels may be used more than once.

1

1

1

1

1

1

1

1

1

A typical pedigree for a family that carries Falconi anemia is shown below. 

1

1

1

1

1

Below is a typical family pedigree for the trait of Neurofibromatosis.

1

1

1

1

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Assuming the chart above is tracing the dominant trait of "White Forelock (F)" through the family. F is a tuft of white hair on the forehead.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

A male?

A

B

C

D

A female?

A

B

C

D

A marriage?

A

B

C

D

A person who does NOT express the trait?

A

B

C

D

A person who HAS the trait?

A

B

C

D

A connection between parents and offspring?

A

B

C

D

How many generations are shown on this pedigree?

1

2

3

4

What is the most likely genotype of individual “A”?

FF

Ff

ff

What is the most likely genotype of individual “C”?

FF

Ff

ff

What is Arlene's genotype?

AA

Aa

aa

What is George's genotype?

AA

Aa

aa

What are Ann & Michael's genotypes?

AA

Aa

aa

Most likely, Sandra's genotype is?

AA

Aa

aa

Identify who else would be heterozygous from the list below.

Sam

Tom

Wilma

Ann

Carla

Alan

Christopher

Michael

Daniel

What type of inheritance does this pedigree follow?

Domiant

Recessive

What type of inheritance does this pedigree follow?

Autosomal

X-Linked

What is the likely genotype of individual #1?

AA

Aa

aa

What is the likely genotype of individual #7?

AA

Aa

aa