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Bio B Review 3
Test Description: 3rd test
Instructions: Answer all questions to get your test result.
1) The Human Genome Project may make use of which of the following to diagnose genetic disorders before birth?
A
all of the above
B
PCR
C
gel electrophoresis
D
cell cultures
2) Individuals that have sickle-cell anemia ______.
A
suffer tissue damage resulting from oxygen deprivation
B
are two times more likely to be males than females
C
will not exhibit any symptoms until around age 40
D
lack an enzyme that breaks down a lipid produced in the central nervous system
3) Mosquitoes developed an immunity to DDT by ___________.
A
dying as a result of being exposed to the insecticide
B
eating the insecticide and becoming immune to it
C
this never happened
D
developing physiological adaptations to the insecticide
4) X-rays, ultraviolet light, and radioactive substances that can change the chemical nature of DNA are classified as _____.
A
metamorphic molecules
B
enzymes
C
mutagens
D
nucleic acids
5) Cellular respiration takes place in what kind of organisms?
A
plants and animals
B
fungi
C
animals
D
plants
6) A system for naming species in which two words are used to name an organism is ____.
A
wizardry
B
binomial nomenclature
C
cladistics
D
dichotomous keying
7) Organisms that closely resemble each other, even though they are separated by distance and genetics, can best be explained by _____.
A
spontaneous generation
B
genetic mutations
C
zombie apocalypse
D
convergent evolution
8) Which of the following would be least likely to happen as a result of a mutation in a person's skin cells?
A
reduced function of the cell
B
any offspring will have mutated skin
C
no change in function of the cell
D
skin cancer
9) Structures that have a similiar evolutionary origin and structure but serve different funtion are called_____.
A
heterozygous
B
analogous
C
vestigial
D
homologous
10) Watson and Crick were the first to suggest that DNA is _______.
A
genetic material
B
a double helix
C
protein
D
a short molecule
11) When classifying organisms, a group of related phyla is a _______.
A
order
B
family
C
kingdom
D
class
12) When classifying organisms, a group of related species is a ____.
A
order
B
genus
C
kingdom
D
family
13) The passing on of traits from parents to off spring is called _____.
A
genetics
B
gene splicing
C
heredity
D
inbreeding
14) Organisms need a way of storing energy because ____.
A
a cell can't always immediately use all the energy it gets
B
an organisms has times that no energy is used
C
a cell cannot create energy and must get energy from another source
D
a cell can only release stored energy
15) A DNA segment is changed from -AATTAG- to -AAATAG-. This is _______
A
no problem for the cell
B
point mutation
C
frameshift mutation
D
mutagens
16) Which of the following genetic disorders can be detected by karotyping?
A
Tay-Sachs disease and phenylketonuria (PKU)
B
hemophilia and cystic fibrosis
C
Down's syndrome
D
Klinefelter syndrome and sickle-cell anemia
17) The 23rd chromosomes that differ from males to females are called ______.
A
autosomes
B
sex chromosomes
C
multiple alleles
D
polygenes
*select an answer for all questions
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