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Heredity Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What are physical characteristics of an organism?

a)

Alleles

b)

Genotypes

c)

Genes

d)

Traits

2.

The passing of traits from parents to offspring.

a)

Allele

b)

Heredity

c)

Homozygous

d)

Heterozygous

3.

The letters used to express or represent a gene/trait

a)

Gene

b)

Trait

c)

Allele

d)

Heredity

4.

the different versions of a gene

a)

trait

b)

gene

c)

Punnett Square

d)

allele

5.

a characteristic determined by genetics

a)

genotype

b)

trait

c)

gene

d)

phenotype

6.

trait

a)

the different forms of a gene

b)

a characteristic that an organism can pass onto its offspring through its genes

c)

set of information that controls a trait

d)

when characteristics are passed from parent to offspring

7.

Hybrid

a)

the offspring of many generations that have the same traits

b)

a change in a gene or chromosome

c)

a pair of chromosomes that determine gender

d)

an organism that has 2 different alleles for a trait; an organism that is heterozygous for a trait

8.

Which of the following is/are considered to be purebreds? Select all that apply.

a)

AA

b)

bb

c)

Dd

d)

ee

9.
Which of the following genotypes are purebred?
a)
Pf
b)
Pp
c)
PP
d)
pP
10.

Brown Eyes: Trait or Gene?

a)

Trait

b)

Gene

11.

Chromosome: Gene or Trait?

a)

Gene

b)

Trait

12.

Hand Clasping: Gene or Trait?

a)

Gene

b)

Trait

13.
This is a specific form of a gene, like green peas versus yellow peas.
a)
allele
b)
recessive
c)
dominant
14.
This is an allele whose trait will always appear if the allele is present.
a)
dominant
b)
hybrid
c)
recessive
d)
purebred
15.
What is an organism called if its alleles are represented by two of the same letter?
a)
purebred
b)
hybrid
c)
dominant
d)
recessive
16.
This is an allele whose trait will be hidden if the dominant allele is present.
a)
recessive
b)
hybrid
c)
dominant
17.
What is an organism called if its alleles are represented by two different letters?
a)
hybrid
b)
purebred
c)
dominant
d)
recessive
18.
This is a stretch of DNA that controls a specific trait.
a)
gene
b)
allele
c)
dominant
d)
recessive
19.
The scientific study of heredity.
a)
Biology
b)
Gene Therapy
c)
Genetic Counseling
d)
Genetics
20.

An Austrian monk who studied pea plants and established the laws of heredity; the father of modern genetics.

a)

Charles Darwin

b)

Gregor Mendel

c)

James Watson

d)

Robert Hooke

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