Free Printable Genetics

Worksheets

Genetics

Total questions: 28

Worksheet time: 21mins

Name

Class

Date

Who is considered the father of modern genetics?

Sir Isaac Newton

Howard Wallowitz

Gregor Mendel

Sheldon Cooper

What is the passing down of physical traits from parents to children?

Genetics

Heredity

Geneology

Chromosomes

What is another name for an allele that is masked in the presence of a stronger allele?

Dominant

Recessive

Chromosome

What is another name for an allele that always shows up and hides the weaker allele?

Dominant

Recessive

Chromosome

What is the genetic make up of an organism?

Phenotype

DNA

Heredity

Genotype

Is Cc a phenotype or genotype?

Phenotype

Genotype

What is the name of the chart used to organize all possible combinations of offspring?

Offspring Chart

Heredity Chart

Punnett Square

Genetic Square

Is the genotype ff heterozygous or homozygous?

Heterozygous

Homozygous

Are blue eyes a phenotype or genotype?

Phenotype

Genotype

10.

the word Green represents a

genotype

phenotype

11.

the symbol Gg represents a

phenotype

genotype

12.

having two different genes for a trait (sometimes called hybrid).

protein

homozygous

heterozygous

genotype

13.

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

0 %

25%

50%

75%

14.

An allele whose trait only shows up when no dominant allele is present.

hidden allele

dominant allele

recessive allele

present allele

15.

Genotype refers to the ...

physical expression of the genes

the possible combination of alleles in a gene

whether an allele is dominant or recessive

how an organism will appear

16.

How many alleles (letters) do each person carry for a trait?

17.

G = green, g = yellow
The genotype for a yellow plant is...

all of the choices result in yellow

18.

Dominant alleles are represented by a:

Male gene

lowercase letter

recessive trait

capital letter

19.

A green pea plant (GG) is being crossed with a green pea plant (Gg). What is the phenotype?

100 % rainbow

50% yellow and 50% green

100% green

100% yellow

20.

A red flower (Rr) is crossed with a white flower (rr). What is the genotype?

0 RR; 0 Rr: 4 rr

2 RR; 0 Rr: 2 rr

4 RR; 0 Rr: 0 rr

0 RR; 2 Rr: 2 rr

21.

Zac Efron has a straight hair line. A Straight hair line is recessive to a widow's peak. Which genotype represents a straight hairline?

22.

Almond shaped eyes are dominant to round eyes. Which eye shape would a person with the genotype AA have?

Almond

round

23.

Who was Gregor Mendel?

A French Botanist

A German Physician

An American Cowboy

An Austrian Monk

24.

What is cross pollination?

When pollen from a flower fertilizes itself or another flower on the same plant

When pollen from one flower fertilizes a flower on a different plant

A plant whose offspring share the same traits as the parent

A plant whose offspring is genetically different from the parent.

25.

Another word for homozygous is...

purebred

hybrid

heterozygous

dominant

26.

If a pea plant were homozygous recessive for height, how would its alleles be represented?

27.

Brown (B) is dominant over white (b). Which genotype is a purebred for brown fur?

All of the above

28.

What organism did Mendel do his famous studies of genetics with?

bees

carrots

peas

mice

Reset

Genetics

Total questions: 28

Worksheet time: 21mins

Similar Resources on Wayground