Chapter 14:
Other Forms of Inheritance
Practice Test
1.
What is the source of all mitochondria in a zygote?
a.
the cytoplasm of the egg
b.
the tail of the sperm
c.
the head of the sperm
d.
the nucleus of the egg
Hint
2.
What is a segment of DNA that randomly inserts itself in a different chromosome within the cell by using reverse transcriptase?
a.
operon
b.
transposon
c.
intron
d.
retrotransposon
Hint
3.
What is a mobile segment of DNA that randomly inserts itself into different chromosomal locations?
a.
transposable element
b.
trinucleotide repeat expansion
c.
genomic imprinting
d.
transposable factor
Hint
4.
Which of these is an example of a simple recessive pattern of inheritance in humans?
a.
The trait does not skip generations.
b.
There is no male-to-male transmission of the trait.
c.
All daughters of a male who has the trait are heterozygous carriers.
d.
Only homozygous individuals have the trait.
Hint
5.
How many genes in humans are affected by genomic imprinting?
a.
at least 10
b.
about 150
c.
about 50
d.
at least 100
Hint
6.
What is a segment of DNA that randomly inserts itself along with other functional genes into different chromosomal locations inside a cell?
a.
operon
b.
intron
c.
transposon
d.
exon
Hint
7.
In eukaryotic cells, the nucleus contains DNA. Where else in the cell can DNA be found?
a.
vacuoles and Golgi bodies
b.
ribosomes and lysosomes
c.
endoplasmic reticulum and plastids
d.
mitochondria and chloroplasts
Hint
8.
What is a chemical tagging process that regulates genes?
a.
methylation
b.
transcription factor
c.
response element
d.
epistasis
Hint
9.
How is mitochondrial DNA copied in an eukaryotic cell?
a.
The mitochondria reproduce by fission.
b.
The mitochondrial membranes rupture during mitosis and reform after cell division.
c.
The mitochondria reproduce sexually.
d.
The mitochondria reproduce by budding.
Hint
10.
When the transcription factor binds the DNA at the response element site, a nearby _______ is activated.
a.
operon
b.
transcription factor
c.
response element
d.
gene
Hint
