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Unit 3&4 Vocab

Total questions: 20

Worksheet time: 25mins

Name
Class
Date
1.

Transfer of genitic information from parent to offspring

a)

heterozygous

b)

phenotype

c)

heredity

d)

allele

2.

What is a Punnett square used for?​ ​ (a)  

Choose from the below words
predict genotypes
determine phenotypes
calculate allele frequencies
3.

A ​ single, highly organized and structured piece of DNA is a ​ (a)   ​

Choose from the below words
chromosome.
gene
learned behavior
trait
4.

Organize these options into the right categories

a)

study of genes, genetic variation, and heredity

1.

genetics

b)

offspring resulting from combining qualities of two organisms

2.

hybrid

c)

vegetation

3.

plants

d)

distinguishing quality or characteristic

4.

trait

e)

phenotype

5.

physical expression of a gene

5.

What is the term for the physical appearance of an organism as a result of its genotype?

a)

Phenotype

b)

Genotype

c)

Heredity

d)

Allele

6.

What is the term for different forms of a gene?

a)

Phenotype

b)

Genotype

c)

Heredity

d)

Allele

7.

What is the term for the genetic makeup of an organism?

a)

Phenotype

b)

Genotype

c)

Heredity

d)

Allele

8.

(a)   is the breeding of specimens of a plant or animal.

9.

Reorder the following from biggest to smallest.

a)

DNA

b)

chromosome

c)

gene

1)
2)
3)
10.

Behaviors like brushing your teeth and talking are what kind of behaviors?

a)

important

b)

natural

c)

easy

d)

learned

11.

A version of a gene is called a(n)

a)

allele

b)

characteristic

c)

specific gene

d)

trait

12.

A trait that is expressed if one copy of the allele is present is a(n)

a)

characteristic

b)

dominant trait

c)

gene

d)

recessive trait

13.

What is it called when the alleles in a genotype are different?

a)

Dominance

b)

Heterozygous

c)

Homozygous

d)

Recessiveness

14.

Which pair of alleles is an example of heterozygous alleles?

a)

ll

b)

LL

c)

Ll

15.

Hair color, height, eye color and freckles are examples of human traits. What do we call the physical expression of the genetic material of an organism?

a)

genetics

b)

heredity

c)

genotype

d)

phenotype

16.

Which of the following genotypes is homozygous dominant?

a)

A

b)

Aa

c)

AA

d)

aa

17.

A mutation is

a)

any change that is harmful

b)

any change in a gene or chromosome

c)

any change that is helpful

d)

any change in the phenotype

18.

Two identical alleles for a trait is known as

a)

homozygous

b)

heterozygous

c)

mutation

d)

codominance

19.

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

a)

Tall = T

Short = S

b)

Tall = t

Short = T

c)

Tall = T

Short = t

d)

Tall = TT

Short = tt

20.

Which of the following genotypes are purebred?

a)

Pf

b)

Bb

c)

BB

d)

pF

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