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Worksheets

Genetics

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

What word defines passed on from one parent to a child?

a)

DNA

b)

Gene

c)

Inherited

d)

Dominat

2.

What word defines a learned or developed trait?

a)

Phenotype

b)

Protein

c)

Mutation

d)

Acquired

3.

What word defines the passing of genes from parents to offspring?

a)

Heredity

b)

Allele

c)

Probability

d)

Dominant

4.

What word defines a code for a trait; a segment of DNA?

a)

Heterozygous

b)

Gene

c)

Genotype

d)

Recessive

5.

What word defines one version of a gene, recessive or dominant?

a)

Dominant

b)

DNA

c)

Allele

d)

Probability

6.

What word defines the alleles that determine an organism traits?

a)

Homozygous

b)

Heterozygous

c)

Phenotype

d)

Genotype

7.

What words defines the actual characteristic that can be observed?

a)

Phenotype

b)

Mutations

c)

Recessive

d)

DNA

8.

What word defines having two of the same alleles; two recessive genes or two dominant genes?

a)

Gene

b)

Homozygous

c)

Heterozygous

d)

Probability

9.

What word defines having two different alleles; one dominant and one recessive allele?

a)

Heterozygous

b)

Acquired

c)

Homozygous

d)

Heredity

10.

What word defines the strong gene that is expressed in the phenotype which makes protein?

a)

Inherited

b)

Dominant

c)

Acquired

d)

Recessive

11.

What word defines the weak gene that is expressed in the phenotype which does not make protein?

a)

Recessive

b)

Gene

c)

Phenotype

d)

Genotype

12.

What word defines the carry of cell functions and gives traits?

a)

Dominant

b)

Homozygous

c)

Phenotype

d)

Protein

13.

What word defines the chance of something occuring?

a)

Inherited

b)

Allele

c)

Probability

d)

Phenotype

14.

Which word defines the “code” or instructions for life or proteins?

a)

DNA

b)

Mutations

c)

Probability

d)

Heredity

15.

What word defines a change to the gene that might positively/negatively, or not affect the gene?

a)

Allele

b)

Mutations

c)

Probability

d)

homozygous

16.

The mother has the homozygous gene for blue eyes and the father has a heterozygous gene for brown eyes. After solving the Punnett square, what percentage of the offspring are homozygous?

a)

25%

b)

50%

c)

75%

d)

100%

17.

The mother has the homozygous gene for blue eyes and the father has a heterozygous gene for brown eyes. After solving the Punnett square, what percentage of the offspring are brown eyed individuals?

a)

25%

b)

50%

c)

75%

d)

100%

18.

The mother has the homozygous gene for blue eyes and the father has a heterozygous gene for brown eyes. After solving the Punnett square, what percentage of the offspring are blue eyed individuals?

a)

25%

b)

50%

c)

75%

d)

100%

19.

The mother has the heterozygous gene for brown eyes and the father has a heterozygous gene for brown eyes. Using the solved Punnett square, what percentage of the offspring are homozygous dominant?

a)

25%

b)

50%

c)

75%

d)

100%

20.

The mother has the heterozygous gene for brown eyes and the father has a heterozygous gene for brown eyes. Using the solved Punnett square, what percentage of the offspring are brown eyed individuals?

a)

25%

b)

50%

c)

75%

d)

100%

21.

The mother has the heterozygous gene for brown eyes and the father has a heterozygous gene for brown eyes. Using the solved Punnett square, what percentage of the offspring are blue eyed individuals?

a)

25%

b)

50%

c)

75%

d)

100%

22.

The mother has the heterozygous gene for brown eyes and the father has a heterozygous gene for brown eyes. Select the genotypes for the children. You can choose multiple answers.

a)

BB

b)

Bb

c)

bb

d)

Brown eyes

23.

The mother has the heterozygous gene for brown eyes and the father has a heterozygous gene for brown eyes. Select the phenotypes for the children. More than one answer can be selected.

a)

Blue eyes

b)

Brown eyes

c)

Green eyes

d)

Big eyes