Quiz about Intro to Heredity Vocab

Question 1

Genetics is ____________.

Accepted Answer

The STUDY of heredity.

Answer

The ACTION of passing down traits.

Answer

The PROCESS of receiving traits.

Question 2

Heredity is __________

Accepted Answer

how traits are passed down from parent to offspring

Answer

the study of heredity

Answer

the action of receiving traits from parents

Question 3

Inheritance is __________

Accepted Answer

the action of receiving traits from parents

Answer

the study of heredity

Answer

how traits are passed down from parents to offspring

Question 4

A scientist is working at the zoo to observe the height of the flamingos in each generation. This is an example of __________.

Accepted Answer

genetics

Answer

heredity

Answer

inheritance

Question 5

Two parents have a child that has brown eyes. This is an example of ____________.

Accepted Answer

heredity

Answer

genetics

Answer

inheritance

Question 6

A puppy is heterozygous for fur color because both of its parents were heterozygous. This is an example of ___________.

Accepted Answer

inheritance

Answer

genetics

Answer

heredity

Question 7

DNA is one long strand of genetic information. Each section of DNA codes for a different thing. These sections are called ___________.

Accepted Answer

genes

Answer

alleles

Answer

traits

Question 8

Most genes have two or more different versions. One version of a gene might code for purple flowers, while the other version codes for white flowers. These are examples of _____________

Accepted Answer

alleles

Answer

genes

Answer

traits

Question 9

Organisms have numerous characteristics. We call these characteristics ___________.

Accepted Answer

traits

Answer

alleles

Answer

genes

Question 10

If there are two alleles for the same gene, a heterozygote would show the ___________ phenotype.

Accepted Answer

dominant

Answer

recessive

Question 11

If two heterozygous individuals breed, there is a chance of ____ different genotypes and ___ different phenotypes in the offspring

Accepted Answer

3 , 2

Answer

1 , 1

Answer

2 , 1

Answer

2 , 2

Question 12

The purpose of a Punnett Square is ____________.

Accepted Answer

to show the probability of having different phenotypes and genotypes in offspring

Answer

to show the possible genotypes of offspring

Answer

to show the possible phenotypes of offspring

Question 13

__________ are random changes to DNA that can change an organism's phenotype.

Accepted Answer

mutations

Answer

genes

Answer

alleles

Answer

traits

Question 14

An example of a neutral mutation would be ___________

Accepted Answer

A housecat with a larger number of whiskers.

Answer

A dog born with just one ear.

Answer

A cheetah with more muscle mass in its legs.

Answer

A tree with unusually large leaves.

Question 15

An example of a beneficial (helpful) mutation would be:

Accepted Answer

A dolphin with a larger lungs.

Answer

A human with brown eyes.

Answer

A polar bear with shorter fur.

Question 16

An example of a harmful mutation would be:

Accepted Answer

A person born with Huntington disease.

Answer

A fish that can swim faster.

Answer

A giraffe that is 2 feet taller than usual.

Question 17

Which of the following are mutagens (things that could cause harmful mutations to your DNA)? Select all that apply.

Accepted Answer

UV rays (from the sun or tanning beds)

Accepted Answer

X-rays.

Answer

Radio waves

Question 18

A grizzly bear in Canada experiences several years of extremely cold winters. The bear starts eating much more before hibernation. Is this an example of adaptation or natural selection?

Accepted Answer

Adaptation

Answer

Natural Selection

Question 19

A large area of woods are cut down to build a subdivision. Sound waves bounce off of concrete better than grass and trees, making bats much better at finding prey with echolocation. As a result, beetle populations decrease. Is this adaptation or natural selection?

Accepted Answer

Natural Selection

Answer

Adaptation

Question 20

You see a pea plant with purple flowers. You know that purple flowers are the dominant trait. What is the genotype of the pea plant?

Accepted Answer

Not enough information.

Answer

homozygous dominant

Answer

heterozygous

Answer

homozygous recessive

Question 21

You see a person with blue eyes. You know that brown eyes are the dominant trait. What is their genotype?

Accepted Answer

homozygous recessive

Answer

homozygous dominant

Answer

heterozygous

Answer

not enough information

Question 22

Consider the example we did with the pedigree for dog fur color. There was a dominant allele for black fur, a recessive allele for brown fur, and a mutated recessive allele for blonde fur. How many possible genotypes are there? (hint: how many combinations of two alleles can you make when there are three to choose from?)

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 23

Which of the following are RECESSIVE genetic disorders?

Accepted Answer

sickle cell anemia

Accepted Answer

cystic fibrosis

Answer

huntington disease

Question 24

Gregor Mendel was ______________________.

Accepted Answer

An Austrian monk who studied pea plants.

Answer

A german spy in WWII

Answer

An engineer who developed refrigerators.

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