WorksheetsScience II: Genetics and Inheritance
Total questions: 38
Worksheet time: 28mins
Name
Class
Date
1.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
2.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
3.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
4.
What word describes this genotype: Bb
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
dominant
5.
What is gene linkage?
a)
When one gene has two forms
b)
When two genes are located closely together on a chromosome
c)
When two genes are far apart on the chromosomes
d)
When the genes from a male and female combine
6.
What is the advantage of plants being polyploidy?
a)
Increased vigor and size
b)
Large cell volume
c)
Decrease in mitosis
d)
Genetic instability
7.
This allele is covered up when a dominant allele is present.
a)
recessive
b)
dominant
c)
incomplete dominance
d)
co-dominant
8.
What shows the possible combinations of alleles that can result from a genetic cross?
a)
bar graph
b)
pie chart
c)
Punnett square
d)
co-dominant graph
9.
If a purebred, normal feathered bird (FF) is crossed with a frizzy-feathered bird (ff) how many different phenotypes would you have?
a)
1
b)
2
c)
3
d)
4
10.
If a cell taken from a human is tested and found to have 46 chromosomes, what type of cell is it likely to be?
a)
sperm
b)
egg
c)
skin
d)
impossible to determine
11.
What is being depicted in this picture?
a)
sexual reproduction
b)
anaphase I of meiosis
c)
crossing-over
d)
replication
12.
The study of how traits are passed along is called:
a)
inheritance
b)
heredity
c)
genetics
d)
evolution
13.
An individual who is heterozygous for a recessive disorder is called a(n)-
a)
carrier
b)
pedigree
c)
autosome
d)
affected
14.
What does this figure represent?
a)
all family members expressing a trait
b)
a family with no carriers
c)
a family with some carriers
d)
a genetic map of a single individual
15.
What inheritance is being shown here?
a)
co-dominance
b)
multiple alleles
c)
polygenic
d)
incomplete dominance
16.
Down Syndrome results from a(n) _____ chromosome.
a)
extra
b)
missing
c)
enlarged
d)
weak
17.
The protective caps at the end of chromosomes are called:
a)
centromeres
b)
polygenic caps
c)
telomeres
d)
dysjunctions
18.
If a trait is not sex-linked, it is
a)
autosomal
b)
dominant
c)
recessive
d)
polygenic
19.
A chart or “family tree” that tracks which members of a family have a particular trait
a)
Gene
b)
Pedigree
c)
Punnett Square
d)
Dominant
20.
In a pedigree, a half-filled circle represents a ______
a)
Male carrier (heterozygous)
b)
Autotroph
c)
Female
d)
Female carrier (heterozygous)
21.
Which process is used to copy DNA in the nucleus?
a)
replication
b)
transcription
c)
translation
22.
Which process is used to make mRNA from the DNA in the nucleus?
a)
transcription
b)
translation
c)
replication
23.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
24.
Which RNA bases would pair with TACGAA in transcription?
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
25.
This is why I am different than my sister.
a)
mitosis
b)
meiosis
26.
A couple has two children, both of whom are boys. What is the chance that the parent's next child will be a boy?
a)
0%
b)
25%
c)
50%
d)
75%
27.
This produces cells for growth and repair.
a)
mitosis
b)
meiosis
28.
An alternative name for heterozygous:
a)
Law of Independent Assortment
b)
Hybrid
c)
Purebreed
d)
Heterogeneous
29.
What is the name for when DNA makes another copy of itself?
a)
transcription
b)
translation
c)
replication
d)
duplication
30.
What is the name for when the RNA info is read and turned into a protein?
a)
transcription
b)
transcribation
c)
translation
d)
replication
31.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
rough ER
d)
mitochondrion
32.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
33.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
34.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
35.
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift
36.
This type of substitution codes for a stop codon
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
37.
What is the mode of inheritance shown here?
a)
Autosomal Dominant
b)
Autosomal Recessive
c)
Sex Linked Recessive
38.
What is the mode of inheritance shown here?
a)
Autosomal Recessive
b)
Autosomal Dominant
c)
Sex Linked
100 %
