Quiz about Genetics Pedigree

Question 1

Heredity is the passing of traits from _____________________ to _____________________

Accepted Answer

parents to offspring

Answer

predators to prey

Question 2

How many alleles (letters) does a child get from each parent for each trait?

Accepted Answer

1

Answer

2

Answer

3

Question 3

Dominant or recessive?

Accepted Answer

Recessive

Answer

Dominant

Question 4

In a pedigree chart, a male is represented by a

Accepted Answer

square

Answer

circle

Question 5

In a pedigree chart, a female is represented by a

Accepted Answer

circle

Answer

square

Question 6

A heterozygous genotype is represented by a(n) ____________ circle or square.

Accepted Answer

half-shaded

Answer

fully shaded

Question 7

A recessive allele is represented by a ______ letter.

Accepted Answer

lower-case

Answer

capital

Question 8

A dominant allele is represented by a ______ letter.

Accepted Answer

capital

Answer

lower-case

Question 9

What is this?

Accepted Answer

Pedigree

Answer

Karyotype

Answer

Venn diagram

Answer

Punnett Square

Question 10

How many females show the trait?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 11

Gregor Mendel developed some basic principles of heredity by ______________.

Accepted Answer

crossing pea plants

Answer

breeding fruit flies

Answer

cutting off the tails of mice

Answer

growing bacteria in a laboratory

Question 12

Which term correctly describes an individual with a pair of the same alleles for a trait?

Accepted Answer

homozygous

Answer

homologous

Answer

heterozygous

Answer

heterologus

Question 13

Of 12 hamsters just born, 9 have brown fur and 3 have white fur. The trait for white fur is considered to be ________.

Accepted Answer

recessive

Answer

weak

Answer

strong

Answer

dominant

Question 14

In a pedigree chart, what does a horizontal line connecting a circle and a square represent?

Accepted Answer

B) Marriage

Answer

A) Siblings

Answer

C) Parent-child relationship

Answer

D) Unrelated individuals

Question 15

In a genetic pedigree, what does a shaded symbol typically indicate?

Accepted Answer

B) The individual expresses the trait

Answer

A) The individual is a carrier of a trait

Answer

C) The individual is unaffected by the trait

Answer

D) The individual is a potential carrier

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