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Worksheets

Heredity

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

What is the passing of genetic material and traits from parents to offspring?

a)

heredity

b)

genetics

c)

alleles

d)

genes

2.

What is the study of how genetic traits are inherited?

a)

heredity

b)

genetics

c)

alleles

d)

genes

3.

What do you call different forms of genes, such as blue eye allele for the gene for eye color?

a)

allele

b)

heredity

c)

chromatin

d)

gene

4.

The capital letter that is the trait or allele which is seen if it is present is known as the ___________________ allele.

a)

dominant

b)

recessive

5.

The allele represented by the lowercase letter and is masked by the other allele is known as the ________________ allele or trait.

a)

dominant

b)

recessive

6.

They physical appearance of a trait is known as the:

a)

phenotype

b)

genotype

7.

The genetic make-up or specific combination of alleles, such as Aa and AA, is known as:

a)

phenotype

b)

genotype

8.

The genotype of BB and bb are:

a)

homozygous

b)

heterozygous

9.

The genotype of Bb is known as:

a)

homozygous

b)

heterozygous

10.

B represents brown eyes. b represents blue eyes. A person with the genotype of Bb will have _______ eyes.

a)

brown

b)

blue

c)

green

11.

Even though only 2 alleles are inherited, multiple alleles may exist for a certain trait, such as blood type.

a)

true

b)

false

12.

When 2 alleles are equally dominant, it is known as:

a)

codominance

b)

incomplete dominance

c)

polygenic traits

d)

sex-linked traits

13.

When there is not complete dominance over the recessive allele and results in both being expressed, it is known as:

a)

codominance

b)

incomplete dominance

c)

polygenic traits

d)

sex-linked traits

14.

Traits, like skin color, that are controlled by two or more genes are called:

a)

codominant

b)

incomplete dominance

c)

polygenic traits

d)

sex-linked traites

15.

Traits that result from genes carried on sex chromosomes are known as:

a)

alleles

b)

polygenic traits

c)

multiple alleles

d)

sex-linked traits

16.

A chart that predicts all the possible gene combinations for 2 parents ofor a particular trait is known as a:

a)

punnet square

b)

pedigree

c)

cladigram

17.

A chart to show the inheritance pattern within a family over multiple generations is known as a:

a)

punnett square

b)

pedigree

c)

cladigram

18.

What do the squares represent in a pedigree?

a)

males

b)

females

19.

Who is the father of Genetics?

a)

Charles Darwin

b)

Gregor Mendel

c)

Reginald Punnett

20.

The Law of ___________ states that the dominant trait is expressed even if a recessive trait is present.

a)

Dominance

b)

Segregation

c)

Independent Assortment

21.

The Law of ____________ states that different alleles for the same trait separate when gametes are formed (explaining why either allele may be passed on).

a)

Dominance

b)

Segregation

c)

Independent Assortment

22.

The Law of ____________________ states that when pairs of alleles separate, the do so independently of each other, or randomly. (remember they separate during Anaphase)

a)

Dominance

b)

Segregation

c)

Independent Assortment