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DNA and Genetics Vocabulary Challenge

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.

The passing of traits from parents to offspring is _____.

a)

heredity

b)

genetics

c)

traitology

2.

The branch of biology that deals with heredity and differences in organisms determined by DNA.

a)

Heredity

b)

Genetics

c)

DNA

3.

The genetic information, found in cells, that serves as the blueprint for everything a cell is and does.

a)

Heredity

b)

Genetics

c)

DNA

4.

The different forms of a gene for a trait are called _____.

a)

Genetics

b)

Genes

c)

Alleles

5.

The shape of DNA is known as a

a)

Double Helix

b)

Double Arch

c)

Double Hexagon

6.

In DNA Adenine will only bond with ____.

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

7.

In DNA Thymine will only bond with ____.

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

8.

In DNA Guanine will only bond with ____.

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

9.

In DNA Cytosine will only bond with

a)

Adenine

b)

Thymine

c)

Guanine

d)

Cytosine

10.

A mistake in DNA replication is known as a ____.

a)

Mutation

b)

Chromatid

c)

Gene revolt

11.

DNA stands for

a)

Deoxyribonucleic Acid

b)

Denitrogenous Acid

c)

Deribonucleic Acid

12.

Which two scientists are credited with correctly make the first model of DNA?

a)

Watson & Crick

b)

Wilkins & Crick

c)

Watson & Franklin

13.

What you see, or the physical appearance, as a result of an organism's allele combinations is the ____.

a)

Genotype

b)

Phenotype

c)

Homozygous

14.

Aa, DD, Ba, and yy are all examples of ---

a)

genotypes

b)

phenotypes

15.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
16.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
17.

Which of the following genotypes is homozygous dominant?

a)

Yy

b)

Y

c)

yy

d)

YY

18.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
19.

T - tall and t = short In the punnett square below, what belongs in the missing square?

a)

tt

b)

Tt

c)

Bb

d)

TT

20.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
a)
25%
b)
0%
c)
100%
d)
50%
21.

B = brown fur  b = white fur In the Punnett square, what is the probability for white fur? 

a)

0%

b)

25%

c)

50%

d)

75%

22.

Recessive alleles are represented by a ____.

a)

Male gene

b)

lowercase letter

c)

dominant trait

d)

capital letter

23.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
24.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
25.

Who discovered the double helix shape of DNA by taking an x-ray photograph?

a)

Rosalind Franklin

b)

Amelia Earhart

c)

Charles Darwin

d)

James Watson