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Genetics Vocab Review

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

Heredity is

a)

traits passing from one sibling to another

b)

traits passing from offspring to parents

c)

traits passing from organisms to their environment

d)

traits passing form parents to offspring

2.

The above image is called a karotype. It shows examples of

a)

chromosomes

b)

mutations

c)

phenotypes

d)

genotypes

3.

An inherited trait

a)

is the result of the environment

b)

is passed from the parents

c)

occurs after birth

d)

does not pass from parents

4.

The different ways that a gene can be expressed is called a(n)

a)

allele

b)

chromosome

c)

mutation

d)

genotype

5.
Genetic makeup of an organism
a)
Genotype
b)
Allele
c)
Phenotype
d)
Chromosomes
6.

Two identical alleles for the same trait.

a)

Traits

b)

Heterozygous

c)

Homozygous

d)

Dominant

7.

Two different alleles for the same trait.

a)

Traits

b)

Heterozygous

c)

Homozygous

d)

Dominant

8.
Cell division used in reproduction that results in 4 daughter cells.
a)
Chromosomes
b)
DNA
c)
Mitosis
d)
Meiosis
9.
An Organism's physical appearance is its
a)
Genotype
b)
Phenotype
c)
Chromosome
d)
Allele
10.
You have two alleles on each gene.  Where do you alleles come from?
a)
From the grandparent you most resemble
b)
Your parents
c)
Your siblings
d)
You make them by yourself
11.

Which is heterozygous ?

a)

Tt

b)

TT

12.

Which is homozygous ?

a)

Ee

b)

EE

13.

having two of the same genes for the trait (sometimes called purebred)

a)

homozygous

b)

hetrozygous

c)

protein

d)

chromosome

14.

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

a)

protein

b)

homozygous

c)

heterozygous

d)

genotype

15.
Which of the following is a phenotype?
a)
Bb
b)
Black fur
16.

A long strand of molecules that contains genetic "instructions" to build living things

a)

Deoxyribonucleic Acid

b)

Acquired Trait

c)

Centriole

d)

Protein

17.

The passing of characteristics from one generation to another through DNA.

a)

Punnett Square

b)

Biology

c)

Heredity

d)

Meiosis

18.

What is a phenotype?

a)

The physical appearance of an organism which is the result of its genes.

b)

The genetic makeup of an organism, represented with a 2-letter code.

19.

What is a genotype?

a)

The physical appearance of an organism which is the result of its genes.

b)

The genetic makeup of an organism, represented with a 2-letter code.

20.

The physical appearance of an organism which is the result of its genes.

a)

Phenotype

b)

Genotype

21.

The genetic makeup of an organism, represented with a 2-letter code.

a)

Phenotype

b)

Genotype

22.

An example of this might be: Aa

a)

Phenotype

b)

Genotype

23.

An example of this might be: Purple

a)

Phenotype

b)

Genotype

24.

The process of making sex cells

a)

Meiosis

b)

Mitosis

25.

The process of cell division or replication

a)

Meiosis

b)

Mitosis

26.

"Homo" means...

a)

Same

b)

Different

27.

"Hetero" means...

a)

Same

b)

Different

28.

Select the homozygous dominant genotype

a)

AA

b)

Aa

c)

aa

29.

Select the homozygous recessive genotype

a)

AA

b)

Aa

c)

aa

30.

Select the heterozygous genotype

a)

AA

b)

Aa

c)

aa

31.

Having 2 different alleles for a trait (one dominant and one recessive)

a)

Homozygous

b)

Heterozygous

32.

Having 2 copies of the same allele for a trait (can be both dominant or both recessive)

a)

Homozygous

b)

Heterozygous

33.

When this is present, the trait it codes for ALWAYS shows up

a)

Dominant allele

b)

Recessive allele

34.

The trait this codes for will only show up if the dominant allele is not present.

a)

Dominant allele

b)

Recessive allele

35.

The "father of genetics"

a)

Charles Darwin

b)

Gregor Mendel

c)

Reginald Punnett

d)

Albert Einstein