Quiz about Pedigree

Question 1

How many generations are shown in this pedigree?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 2

How many people in this whole pedigree have the trait/disease?

Accepted Answer

4

Answer

2

Answer

3

Answer

6

Question 3

How many females are in this pedigree?

Accepted Answer

7

Answer

3

Answer

4

Answer

6

Question 4

What is this?

Accepted Answer

Pedigree

Answer

Karyotype

Answer

Venn diagram

Answer

Punnett Square

Question 5

How many people in the pedigree are carriers for the disorder?

Accepted Answer

8

Answer

6

Answer

2

Answer

9

Question 6

On a pedigree how do we know if they have the trait?

Accepted Answer

Shaded

Answer

Not shaded

Question 7

What does a filled in square represent?

Accepted Answer

Affected Male

Answer

Not affected Female

Answer

Not affected Male

Answer

Affected Female

Question 8

How many kids did the mother and father from the first generation have?

Accepted Answer

4

Answer

2

Answer

5

Answer

6

Question 9

What do half colored symbols represent?

Accepted Answer

The individual is a carrier (heterozygous).

Answer

The individual expresses the trait.

Answer

The individual has both recessive alleles.

Answer

The individual has both dominant alleles.

Question 10

In the second generation-how many people are carriers of the trait?

Accepted Answer

3

Answer

2

Answer

5

Answer

6

Question 11

Which individual in the first generation is a carrier?

Accepted Answer

The male

Answer

The female

Answer

individual 1

Answer

None of the above

Question 12

How many affected females are deceased?

Accepted Answer

0

Answer

2

Answer

4

Answer

All

Question 13

Which generation connects these two pedigrees?

Accepted Answer

2

Answer

1

Answer

3

Question 14

In the second generation-how many people have the disease or display the physical trait?

Accepted Answer

2

Answer

4

Answer

5

Answer

6

Question 15

If a trait SKIPS a generation, it is an indication that the trait is....

Accepted Answer

recessive

Answer

dominant

Answer

incompletely dominant

Answer

co-dominant

Question 16

This is a pedigree that follows blue eyes which is a recessive trait. What is the phenotype of the mother (circle) in generation 1?

Accepted Answer

Blue

Answer

Brown

Answer

1 blue, 1 brown

Question 17

Is this trait (the shaded individuals) dominant or recessive?

Accepted Answer

recessive

Answer

dominant

Question 18

Who is the daughter of individual I-1 and I-2?

Accepted Answer

II-8

Answer

II-1

Answer

II-7

Question 19

How many males are in the second generation?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 20

How many generations are in this pedigree?

Accepted Answer

4

Answer

15

Answer

10

Answer

9

Question 21

Who is the grandfather or individual IV-5?

Accepted Answer

II-5

Answer

I-1

Answer

III-7

Question 22

How many children did individuals II-1 and II-2 have?

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 23

In a pedigree chart, what does a filled square typically represent?

Accepted Answer

A male with the trait

Answer

A female with the trait

Answer

A carrier male

Answer

A carrier female

Question 24

Which of the following is a key feature of an autosomal dominant trait in a pedigree?

Accepted Answer

The trait appears in every generation

Answer

The trait skips generations

Answer

Only males are affected

Answer

Only females are affected

Question 25

In a pedigree analysis, if two unaffected parents have an affected child, what is the most likely mode of inheritance?

Accepted Answer

Autosomal recessive

Answer

Autosomal dominant

Answer

X-linked dominant

Answer

Y-linked

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