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WorksheetsHeredity & DNA Quiz
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
Riley inherited certain physical characteristics from her parents. Which of the following is not an inherited characteristic?
a)
blue eyes
b)
wavy, red hair
c)
dimpled cheeks
d)
long fingernails
2.
Which of these choices describes the purpose of a Punnett square?
a)
to diagram family relationships that include several generations
b)
to explain why some genes are dominant and some genes are recessive
c)
to compare inherited traits to acquired traits
d)
to illustrate how the alleles of parents might be passed on to their offspring
3.
Which of the following choices gives the alleles of the parents shown here?
a)
BB and BB
b)
BB and Bb
c)
Bb and Bb
d)
Bb and bb
4.
What can be determined from the results of the experiment?
a)
Smooth shape and wrinkled shape are both recessive traits
b)
Smooth shape and wrinkled shape are both dominant traits.
c)
Smooth shape is a dominant trait, and wrinkled shape is a recessive trait
d)
Smooth shape is a recessive trait, and wrinkled shape is a dominant trait.
5.
Which of these choices is true about individual 4 in generation II?
a)
female and the mother of individual 3 and 4 in generation III
b)
female and the daughter of individuals 3 and 4 in generation III
c)
male and the father of individual 3 in generation III
d)
male and the son of individuals 1 and 2 in generation I
6.
Which of these choices is true about individual 5 in generation II
a)
Male carrier for widow's peak gene
b)
Female carrier for widow's peak gene
c)
Male with the trait for widow's peak
d)
Female with the trait for widow's peak
7.
How many children do the couple in generation I have?
a)
3
b)
4
c)
5
d)
6
8.
Terri is creating a model of DNA, which of these shapes illustrates how her model should look?
a)
A
b)
B
c)
C
d)
D
9.
Dylan is listing the substances that make up DNA. which of these substances should he list as a nucleotide base found in DNA?
a)
Sugar
b)
Phosphate
c)
Adenine
d)
Uracil
10.
Which of the following describes the meaning of the word HEREDITY?
a)
The number of
genes located on the chromosome
b)
The passage of
DNA from one generation to another
c)
Mutations that
happen when DNA is duplicated
d)
The
nitrogenous base pairs
11.
What type of Mutation took place?
a)
Deletion
b)
Insertion
c)
Substitution
d)
Translation
12.
Black(B) is dominant to Blonde (b) fur color. Both parents are heterozygous black mice. What is the percentage of their offspring having blonde fur?(
a)
100%
b)
75%
c)
50%
d)
25%
13.
Brown (B) is dominant to Blue (b) eye color. One parent is homozygous recessive and one parent is homozygous dominant. What is the percentage of their offspring having Brown Eyes?
a)
100%
b)
75%
c)
50%
d)
25%
14.
Complete the base pairs from top to bottom.
a)
thymine, adenine, guanine, cytosine
b)
adenine, thymine, guanine, cytosine
c)
adenine, thymine, cytosine, guanine
d)
cytosine, guanine, thymine, adenine
15.
What three components make up a nucleotide?
a)
a sugar, a phosphate and an enzyme.
b)
a phosphate, an enzyme, and a nitrogenous
c)
an enzyme, a deoxyribose, and nitrogenous base
d)
a phosphate, a sugar, and a nitrogenous base
16.
Down Syndrome, also called _________, is characterized by an extra chromosome on the 21st pair.
a)
21st translocation
b)
Downs 21
c)
Trisomy 21
d)
21 Chromosomal Disorder
17.
a cross between organisms with two different phenotype produces offspring with a third phenotype in which both of the parental traits appear together
a)
co-dominant
b)
complete dominance
c)
incomplete dominance
18.
the different forms of a gene that may have a single trait; can be recessive or dominant
a)
trait
b)
allele
c)
dominant
d)
recessive
19.
the genetic makeup of an organisms; a 2 letter combination of alleles that is inherited from the parents
a)
phenotype
b)
trait
c)
genotype
d)
karyotype
20.
The female pair of sex chromosomes.
a)
XX
b)
XY
c)
XXY
d)
YY
21.
Number of chromosomes in all human body cells.
a)
2
b)
23
c)
46
d)
92
22.
The male pair of sex chromosomes.
a)
XX
b)
XY
c)
YY
d)
XYY
23.
Section of a chromosome that determines traits. (small segments of DNA)
a)
Characteristic
b)
phenotype
c)
gene
d)
karyotype
24.
The study of heredity.
a)
Biology
b)
Physics
c)
Heritology
d)
Genetics
25.
A random change in the DNA - it can helpful, harmful or neutral (have no effect). The DNA will now code for a different protein or a mixed-up protein.
a)
Phenotype
b)
Generation
c)
Mutation
26.
A trait associated with a gene that is carried only by the male or female parent
a)
Gender linked
b)
Sex linked
c)
XX
d)
YY
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