wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Ehmen Genetics Review

Total questions: 35

Worksheet time: 19mins

Name
Class
Date
1.

Capital letters represent which type of trait?

a)

Dominant

b)

Recessive

2.

Lower case letters represent which type of trait?

a)

Dominance

b)

Recessive.

3.

DNA replication is important to make sure every cell has the exact same copy of the DNA

a)

True

b)

False

4.

All cells go through mitosis including nerve and blood cells.

a)

True

b)

False

5.

________________ are distinguishing characteristics that are inherited.

a)

Traits

b)

Characteristics

c)

Phenotypes

6.

Which is true about Mendel?

a)

He studied pea plants

b)

He observed dominant or recessive traits

c)

He recognized the idea of traits

d)

All of the above are correct

7.

A type of organism whose ancestors are genetically uniform.

a)

Gene

b)

Law of segregation

c)

Purebred

8.

Organisms inherit two copies of each gene, one from each parent.

a)

Gene

b)

Law of segregation

c)

Purebred

9.

Mendel had three conclusions after his experiment with his pea plants, which of the following are correct? This has 3 right answers

a)

Traits demonstrated are inherited as discrete units

b)

Organisms inherit two copies of each gene, one from each parent.

c)

Organisms donate only one copy of each gene in their gametes (sex cell)

d)

Organism donate both copies of each gene in their gametes.

e)

Organisms inherit four copies of each gene, one from each parent.

10.

A piece of DNA that provides a set of instructions to a cell to make a certain protein

a)

Gene

b)

Law of segregation

c)

purebred

11.

Each gene has a _______________, a specific position on a pair of homologous chromosomes.

a)

Locus

b)

Allele

c)

Genotype

d)

Phenotype

12.

The genetic makeup of a specific set of genes

a)

Locus

b)

Allele

c)

Genotype

d)

Phenotype

13.

The physical traits/characteristics of an organism.

a)

Locus

b)

Allele

c)

Genotype

d)

Phenotype

14.

Any alternative forms of a gene that may occur at a specific locus (location).

a)

Locus

b)

Allele

c)

Genotype

d)

Phenotype

15.

Each trait usually has how many alleles making it up.

a)

1

b)

2

c)

3

d)

4

16.

Which of the following alleles show homozygous dominant? This has 2 right answers.

a)

AA

b)

Aa

c)

TT

d)

Zz

e)

gg

17.

Which of the following alleles show homozygous recessive? This has 2 right answers.

a)

AA

b)

Aa

c)

TT

d)

zz

e)

gg

18.

Which of the following alleles show heterozygous? This has 2 right answers.

a)

AA

b)

Aa

c)

TT

d)

Zz

e)

gg

19.

Co-dominant traits can be influenced by multiple genes, environmental interactions can affect their expression

a)

True

b)

False

20.

A punnett square is a grid system for telling parents all genotypes of the offspring.

a)

True

b)

False

21.

Alleles are separated by the box just like ____________ separates chromosomes

a)

Mitosis

b)

Meiosis

22.

Monohybrid crosses examine the inheritance of only ______ specific trait.

a)

1

b)

2

c)

3

d)

4

23.

Exchange of chromosome segments between homologous chromosomes during Prophase I of M I (meiosis I).

a)

Law of independent assortment

b)

Crossing over

c)

Incomplete dominance

d)

Co-dominance

24.

__________________________________________ states that allele pairs separate independently of each other during gamete formation or meiosis

a)

Law of independent assortment

b)

Crossing over

c)

Incomplete dominance

d)

Co-dominance

25.

Both traits are fully and separately expressed

a)

Law of independent assortment

b)

Crossing over

c)

Incomplete dominance

d)

Co-dominance

26.

A heterozygous phenotype is somewhere between two homozygous phenotypes. (Neither allele is completely dominant nor completely recessive)

a)

Law of independent assortment

b)

Crossing over

c)

Incomplete dominance

d)

Co-dominance

27.

______________ alleles code for a certain protein.

a)

Dominant

b)

Recessive

c)

Heterozygous

d)

Incomplete

28.

__________ alleles code for a variation of the protein that has little to no effect on the organism.

a)

Dominant

b)

Recessive

c)

Heterozygous

d)

Incomplete

29.

These chromosomes have nothing to do with determining the sex of an offspring.

a)

Sex Chromosomes

b)

Autosomal Chromosomes

30.

These chromosomes determine the sex of an offspring.

a)

Sex Chromosomes

b)

Autosomal Chromosomes

31.

Skin color, height, and eye color all need multiple genes to interact to determine the phenotype

a)

DNA

b)

Allele

c)

polygenetic

32.

Identify the picture with the vocabulary

a)

Pedigree

b)

Karyotype

c)

DNA

33.

Identify the vocabulary word with the picture

a)

Pedigree

b)

Karyotype

c)

DNA

34.

Identify the vocabulary word

a)

pedigree

b)

karyotype

c)

DNA

35.

Haploid cells have 46 chromosomes and diploid cells have 23 chromosomes

a)

True

b)

False