Quiz about Pedigrees

Question 1

This pedigree shows the disease of cystic fibrosis, a dissease where mucus devleops in the lungs. Based on the pedigree, is this condition dominant or recessive?

Accepted Answer

Recessive

Answer

Dominant

Question 2

What is the genotype for individual I-1?

Accepted Answer

aa

Answer

AA

Answer

Aa

Question 3

What is the genotype for individual II-4?

Accepted Answer

Aa

Answer

aa

Answer

AA

Question 4

What is the genotype for individual II-7?

Accepted Answer

Aa

Answer

AA

Answer

aa

Question 5

What is the phenotype for individual I-2?

Accepted Answer

carrier

Answer

normal

Answer

cystic fibrosis

Question 6

What is the phenotype for individual II-5?

Accepted Answer

Carrier

Answer

Normal

Answer

Cystic Fibrosis

Question 7

What is the phenotype for II-6?

Accepted Answer

Carrier

Answer

Normal

Answer

Cystic Fibrosis

Question 8

How many daughters did I1 and I2 have?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 9

This NEW pedigree shows the condition of albinism, which is a deficiency of pigmentation in the hair and skin. Based on the pedigree, is albinism dominant or recessive?

Accepted Answer

Recessive

Answer

Dominant

Question 10

What is the genotype of individual I1?

Accepted Answer

Aa

Answer

AA

Answer

aa

Question 11

What is the genotype of individual II-8?

Accepted Answer

Aa

Answer

AA

Answer

aa

Question 12

What is the genotype of individual III-9?

Accepted Answer

Aa

Answer

AA

Answer

aa

Question 13

What is the genotype of individual III-13?

Accepted Answer

aa

Answer

AA

Answer

Aa

Question 14

How are II-5 and II-7 related?

Accepted Answer

siblings

Answer

cousins

Answer

married

Answer

uncle/nephew

Question 15

If you cross two heterozygous individuals, what possible genotypes exist for the offspring?

Accepted Answer

AA, Aa, and aa

Answer

Aa

Answer

aa and AA

Answer

Aa and aa

Question 16

True or false: Crossing a homozygous recessive male and homozygous dominant female results in 100% heterozygous offspring.

Accepted Answer

True

Answer

False

Question 17

True or false: Carriers can exist for both dominant and recessive conditions

Accepted Answer

False

Answer

True

Question 18

Which genotype must you have in order to be considered a carrier?

Accepted Answer

Heterozygous

Answer

Homozygous dominant

Answer

Homozygous recessive

Question 19

Which type of trait (dominant or recessive) usually skips a generation?

Accepted Answer

Recessive

Answer

Dominant

Question 20

What makes Ms. Hurlbutt and Mrs. Hariri so cool?

Accepted Answer

constant interruptions into your classrooms

Accepted Answer

matching outfits

Accepted Answer

our "quirky" sense of humor

Accepted Answer

our Dutch Bros obsession

Pedigrees

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