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Genetics Vocabulary

Total questions: 12

Worksheet time: 20mins

Name
Class
Date
1.

The passing of a trait from parents to offspring

a)

heredity

b)

phenotype

c)

genotype

d)

allele

2.

a variation of a gene. For example: brown or blue eyes

a)

dominant

b)

gene

c)

allele

d)

genome

3.

this type of trait will be hidden unless there are two alleles present

a)

genetics

b)

recessive

c)

DNA

d)

dominant

4.

A trait that is shown or expressed

a)

genotype

b)

genome

c)

phenotype

d)

probability

5.

When both alleles are identitcal to each other.

a)

heterozygous

b)

hybrid

c)

gamete

d)

homozygous

6.

another word used for a sex cell

a)

gamete

b)

genome

c)

gene

d)

genetics

7.

A section of DNA that carries a code for a certain trait or characteristic.

a)

molecule

b)

gene

c)

trait

d)

adenine

8.

a branch of mathematics that helps you predict the chance that something might happen.

a)

Punnett Square

b)

purebred

c)

genetics

d)

probability

9.

A tool used to predict results an offspring may inherit a trait through ratios or percentages.

a)

pythagorean

b)

probability

c)

Punnett Square

d)

pyramid

10.

an organism's complete genetic code that make it unique.

a)

gene

b)

genome

c)

allele

d)

trait

11.

Describe how two parents that do not show a recessive trait may have offspring with a recessive trait. Right your answer in complete sentences using vocabulary words from our list. BE SPECIFIC

4 lines
12.

Using this Punnett square write the percentages for the following 3 questions:

1.What percentage of the offspring will show the dominant trait?

2.What percentage of the offspring will be heterozygous?

3.What percentage of the offspring will show a recessive trait?

4 lines