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Genetics Test Prep - Vocabulary

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

The passing of traits from parents to offspring

a)

Genotype

b)

Heredity

c)

Genes

d)

Chromosomes

2.

A segment of DNA that codes for a particular trait.

a)

Genotype

b)

Phenotype

c)

Chromosomes

d)

Gene

3.

Different forms of a gene.

a)

Genotype

b)

Phenotype

c)

Gene

d)

Allele

4.

The stronger trait, represented by capital letters.

a)

Phenotype

b)

Dominant

c)

Recessive

d)

Genotype

5.

The weaker trait, represented by lower case letters.

a)

Recessive

b)

Dominant

c)

Genotype

d)

Phenotype

6.

The "physical" expression of a trait (the appearance)

a)

Phenotype

b)

Gene

c)

Genotype

d)

Allele

7.

The combination of alleles, written as two letters.

a)

Phenotype

b)

Genotype

c)

Genes

d)

Heredity

8.

Chromosome Pairs # 1- 22.

a)

Autotrophs

b)

Auto Zones

c)

Autosomes

d)

Auto Parts

9.

Chromosome Pair # 23

a)

Sex Chromosomes

b)

Autosomes

10.

Made up of DNA and located inside the nucleus of each of your cells, stores your genetic information

a)

Alleles

b)

Chromosomes

c)

Genotype

d)

Traits

11.

How many TOTAL chromosomes do humans have?

a)

43

b)

23

c)

46

d)

26

12.

How many PAIRS of chromosomes do humans have?

a)

23

b)

43

c)

26

d)

46

13.

Two of the same alleles.

a)

Homozygous

b)

Heterozygous

14.

Two different alleles.

a)

Homozygous

b)

Heterozygous

15.

What are the female sex chromosomes?

a)

XY

b)

XX

c)

YY

16.

What are the male sex chromosomes?

a)

XX

b)

XY

c)

YY

17.

What do we call this?

a)

Human Genome

b)

DNA sequence

c)

Karyotype

d)

Chromosome Collage

18.

Is this karyotype a male or female?

a)

Male

b)

Female

19.

Click on the homozygous genotypes.

a)

HH

b)

Aa

c)

Bb

d)

ee

20.

Click on the heterozygous genotypes.

a)

Aa

b)

Cc

c)

HH

d)

ff

21.

If tall is dominant to short, what would be the genotype of a homozygous tall person.

a)

TT

b)

Tt

c)

tt

22.

If tall is dominant to short, what would be the genotype of a heterozygous tall person.

a)

TT

b)

Tt

c)

tt

23.

If tall is dominant to short, what would be the genotype of a short person?

a)

TT

b)

Tt

c)

tt

24.

What is the shape of DNA?

a)

Triple Helix

b)

Double Helix

c)

Long thin rod

d)

Straight ladder

25.

What doe we call this molecule that makes up DNA?

a)

Nucleus

b)

Nucleotide

c)

Dexoyribose

d)

Polymer

26.

Where is DNA located?

a)

Nucleus of Cells

b)

Cell Cytoplasm

c)

In the cell membrane

d)

Outside of our cells

27.

In DNA, Adenine forms a bond with...

a)

Cytosine

b)

Guanine

c)

Thymine

28.

In DNA, Guanine forms a bond with...

a)

Adenine

b)

Thymine

c)

Cytosine

29.

In a pedigree chart... males are represented as what shapes?

a)

Squares

b)

Circles

30.

A change in a sequence of DNA.

a)

Oopsie

b)

Uh-oh

c)

Mutation

d)

Accident

31.

Are all mutations harmful?

a)

No way!

b)

Yessssss

32.

Genetic disorders are caused by...

a)

Pedigrees

b)

Mutations

c)

Dominant Alleles

d)

Sickle shaped cells

33.

Which is larger... DNA or chromosomes?

a)

DNA

b)

Chromosomes

34.

If a red flower is dominant to white, what color of flower would "Rr" produce?

a)

Red

b)

White

35.

If black fur is dominant to white fur, what color fur would "bb" produce?

a)

Black

b)

White