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Inheritance of Traits Vocabulary

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

The scientific study of heredity

a)

Genetics

b)

Hybrid

c)

Variation

d)

Biology

2.

An organism that always produces offspring with the same form of a trait as the parent

a)

Hybrid

b)

Cross breed

c)

Purebed

3.

a segment of DNA on a chromosome that codes for a specific trait

a)

allele

b)

trait

c)

DNA

d)

Gene

4.

The different forms of a gene

a)

Alleles

b)

Variation

c)

Traits

5.

an allele whose trait always shows up in the organism when the allele is present

a)

dominant allele

b)

recessive allele

6.

An allele represented as a CAPITAL letter is a .....

a)

dominant allele

b)

recessive allele

7.

R= brown eyes, r= blue eyes, which is the dominant allele?

a)

R

b)

r

8.

An allele that is MASKED when a dominant allele is present

a)

dominant allele

b)

recessive allele

9.

An allele represented as a LOWER CASE letter is a .....

a)

dominant allele

b)

recessive allele

10.

R= brown eyes, r= blue eyes, which is the recessive allele?

a)

R

b)

r

11.

An organism that has TWO different alleles for a trait; an organism that is heterozygous for a particular trait

a)

Hybrid

b)

Purebred

c)

Codominant

12.

The likelihood that a particular event will occur

a)

Probability

b)

Heredity

c)

Chance

13.

This is an example of a ....

a)

genetic chart

b)

punnett chart

c)

genetic square

d)

punnett square

14.

An organism’s physical appearance, or visible traits

a)

Phenotype

b)

Genotype

15.

An organism’s genetic makeup, or allele combinations

a)

Phenotype

b)

Genotype

16.

Having two identical alleles for a trait

a)

Homozygous

b)

Heterozygous

17.

Having two different alleles for a trait

a)

Homozygous

b)

Heterozygous

18.

male sex cell

a)

sperm

b)

egg

19.

female sex cell

a)

sperm

b)

egg