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Unit 2 Test
Test Description: Unit 2 test
Instructions: Answer all questions to get your test result.
1) BB, Bb, bb are examples of
A
genotype
B
physical appearance
C
heredity
D
Phenotype
2) 2. Mitosis involves the splitting of the nucleus into two identical nuclei. Knowing this, mitosis takes place in which type of cells?
A
neither prokaryotic or eukaryotic
B
prokaryotic cells
C
Eukaryotic cells, because they have a nucleus
D
both eukaryotic cells and prokaryotic cells
3) Who is considered the Godfather of Heredity?
A
Johannes Kepler
B
Gregor Mendel
C
Galileo
D
Sir Isaac Newton
4) Which of the following is not a component of DNA?
A
phosphates
B
sugars
C
bases
D
oxygen
5) If a black rat breeds with a white rat, and all the offspring have grey fur, what kind of trait does this show?
A
codominance
B
complete dominance
C
recessive
D
incomplete dominance
6) Which is the best definition for allele?
A
The union of a male and female gamete to form a zygote
B
the same pairs
C
The passing of genetic material from parent to offspring
D
One of the alternate forms of a gene that governs a characteristic
7) Which is the best definition for heredity?
A
the same pairs
B
different pairs
C
one of the alternate forms of genes for a given trait
D
passing traits from parent to offspring
8) Which is a benefit to meiosis?
A
it always produces more offspring than mitosis
B
it is faster
C
it allows for more traits to be inherited
D
the offspring is always identical to one parent cell
9) Which type of rock is formed through the melting and cooling of lava and magma?
A
metamorphic
B
sedimentary
C
diamond
D
igneous
10) what are the stages for mitosis in order?
A
interphase, prophase, anaphase, telophase, cytokenisis, metaphase
B
Interphase, prophase, metaphase, anaphase, telophase, cytokenisis
C
interphase, metaphase, prophase, anaphase, telophase, cytokenisis
D
interphase, telophase, metaphase, prophase, anaphase,cytokenisis
11) what stage does the cell spend most of its time in?
A
telophase
B
cytokinesis
C
metaphase
D
interphase
12) what is the condensed visible from of a chromatin?
A
chromatid
B
a cell
C
DNA
D
chromosome
13) which is not happening during interphase?
A
the cell is growing in size
B
DNA is being dublicated
C
the cell carries on normal life functions
D
the cell is dividing
14) The process of what produces haploid cells?
A
cytokinesis
B
mitosis
C
meiosis
D
nuclear division
15) After ______ the zygote develops into a larger organism in sexual reproduction
A
heredity
B
mitosis
C
fertilization
D
cytokinesis
16) If a mother has type A blood and a father has type B blood and their children have type AB blood, what type of trait does that show?
A
incomplete dominance
B
complete dominance
C
codominance
D
recessive
17) what is the best definition of a gene?
A
one of the alternate forms of a gene that governs a characteristic
B
the passing of genetic material from parent to offspring
C
the union of a male and female gamete to a form a zygote
D
one set of instructions for an inherited trait
18) Which is true about heat energy?
A
It cannot be tranferred
B
It is weaker than cold energy
C
It is always transferred from areas of low heat to high heat
D
It is always transferred from areas of high heat to low heat
19) An independent variable is
A
The same thing as a control
B
The same thing as a constant
C
What we manipulate (mess with) in an investigation
D
What we measure as a response
20) In an investigation, what is the control?
A
The same thing as a constant
B
Something that changes as a response
C
What we use as a comparison (the original gangster)
D
Something we change on purpose
*select an answer for all questions
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