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Unit 5 Lesson 4: Heredity

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

The passing of genetic material from parents to offspring.

a)

Allele

b)

Heredity

c)

Genes

d)

DNA

2.

Gregor Mendel observed some traits were always present from one generation to the next he called these _____________.

a)

dominant traits

b)

recessive traits

3.

Gregor Mendel observed some traits traits that seemed to disappear between generations he called these _____________.

a)

dominant traits

b)

recessive traits

4.

Segments of DNA found in chromosomes that give instructions for producing a certain characteristic.

a)

Genes

b)

Alleles

c)

Cells

5.

Different versions of a gene, represented by letters.

a)

DNA

b)

Alleles

c)

Genes

6.

Dominant alleles are shown with a...

a)

capital letter

b)

lowercase letter

7.

Recessive alleles are shown with a...

a)

capital letter

b)

lowercase letter

8.

An organism with two dominant or two recessive alleles (AA or aa).

a)

Homozygous

b)

Heterozygous

9.

An organism that has one dominant and one recessive allele (Aa).

a)

Homozygous

b)

Heterozygous

10.

Combination of alleles you inherit from your parents (what GENES you get).

a)

Genotype

b)

Phenotype

11.

Your observable traits (what you PHYSICALLY look like because of what genes you get)

a)

Genotype

b)

Phenotype

12.

SS is an example of...

a)

Genotype

b)

Phenotype

13.

Brown hair is an example of...

a)

Genotype

b)

Phenotype

14.

When one trait is completely dominant over another.

a)

Complete dominance

b)

Incomplete dominance

c)

Codominance

15.

Each allele in a heterozygous individual influences the phenotype.

a)

Complete dominance

b)

Incomplete dominance

c)

Codominance

16.

Both of the alleles in a heterozygous individual contribute to the phenotype.

a)

Complete dominance

b)

Incomplete dominance

c)

Codominance