Genetic Quiz on Traits

Name: ______Date: ______Period:______

Circle the best answer for each of the following questions. (2 points each)

1)  The type of reproduction where only 1 parent is involved is called ______reproduction.

A)  Sexual

B)  di-clonal

C)  asexual

D)  di-zygotic

2)  What is a characteristic of sexual reproduction?

A)  Needs two organism

B)  Offspring look similar to both parents

C)  Both A and B

D)  None of the above

3)  What are genes?

A)  Something that you wear

B)  Portions of DNA the carry instructions

C)  Both A and B

D)  None of the above

4)  Your height and your eye color are two traits that are:

A)  Inherited

B)  Acquired

C)  Both A and B

D)  Neither A and B

5)  Which of these is an inherited trait?

A)  Liking reading books

B)  Being right handed

C)  Liking country music

D)  Pierced ears

6)  Which of these is an acquired trait?

A)  Having naturally curly hair

B)  Eye color

C)  Shape of your nose

D)  Ability to hit a baseball

7)  A cat has 8 kittens, 5 females and 3 males. Which statement best describes the characteristics of the kittens?

A)  All of the kittens will look exactly like their mother.

B)  All of the kittens will look exactly like their father.

C)  The male and female kittens will look like both the mother and the father.

D)  The male kittens will look like the father and the female kittens will look like their mother.

8)  Which of these does a child inherit from their parents?

A)  Saying the alphabet

B)  Speaking English

C)  Dimples

D)  Favorite food

9)  What statement best describes the relationship between inherited and acquired traits?

A)  Inherited and acquired traits are both present at birth.

B)  Inherited traits come from genes and acquired traits are learned through the environment

C)  Acquired traits come from genes and inherited traits are leaned through the environment

D)  Inherited and acquired traits both come from genes.

Short answer. ( 4 points each)

10)  A child has a scar, brown eyes and a hitchhiker’s thumb. Which traits are acquired and which are inherited? Explain the difference between them.

11)  Give at least 2 important differences between sexual and asexual reproduction.

Genetics Terminology Quiz

Name: ______Date: ______Period: ______

Circle the best answer choice for the questions below. (2 points each)

1)  A version of the gene that you inherit from a parent is called?

a)  Base

b)  Dominant

c)  Allele

d)  Recessive

2)  Which of the following shows a heterozygous genotype?

a)  Bb

b)  Light blue

c)  bb

d)  BB

3)  Which of the following is an example of a phenotype?

a)  Light blue

b)  bb

c)  Bb

d)  BB

4)  The outward appearance of a particular trait in an organism is referred to as

a)  Genotype

b)  Phenotype

c)  Allele

d)  Chromosome

5)  Which of the following is the most accurate definition of “genotype”?

a)  The entire DNA sequence of a person.

b)  A description of the person’s trait

c)  The allele combination for a trait

d)  The type of hair a person has

6)  Which of the following would show the dominant trait of “having dimples”?

a)  DD

b)  Dd

c)  dd

d)  Both a and b

7)  Which of the following show a “homozygous recessive” genotype?

a)  BB

b)  Bb

c)  bb

d)  None of the above

8)  If having a widow’s peak is a dominant trait (H) and having a straight hairline is a recessive trait (h), what is the genotype of a person who is heterozygous?

a)  hh

b)  Hh

c)  HH

d)  Both a and c

9)  If having a widow’s peak is a dominant trait (H) and having a straight hairline is a recessive trait (h), what is the genotype of a person who is homozygous for a straight hair line?

a)  hh

b)  Hh

c)  HH

d)  Both a and c

10)  Someone who is homozygous ______.

a)  Has two copies of the same allele for a gene

b)  Has only recessive alleles for a gene

c)  Has only dominant alleles for a gene

d)  Has two different alleles for a gene

Draw and complete a Punnett Square to answer the following questions.

11)  Dimples (D) is dominant in humans, and not having dimples (d) is recessive.

Both parents are heterozygous for dimples. (8 points for labeling the square correctly)

12)  How many offspring will have dimples?(2 points)

13)  If a child is homozygous for having dimples, what is the genotype?(2 points)