Unit 2 Test: Question Preview (ID: 23943)


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BB, Bb, bb are examples of
a) Phenotype b) genotype c) heredity d) physical appearance
2. Mitosis involves the splitting of the nucleus into two identical nuclei. Knowing this, mitosis takes place in which type of cells?
a) Eukaryotic cells, because they have a nucleus b) prokaryotic cells c) both eukaryotic cells and prokaryotic cells d) neither prokaryotic or eukaryotic
Who is considered the Godfather of Heredity?
a) Sir Isaac Newton b) Galileo c) Johannes Kepler d) Gregor Mendel
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
An independent variable is
a) What we manipulate (mess with) in an investigation b) What we measure as a response c) The same thing as a control d) The same thing as a constant
After ______ the zygote develops into a larger organism in sexual reproduction
a) fertilization b) heredity c) mitosis d) cytokinesis
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) recessive d) codominance
what is the best definition of a gene?
a) one set of instructions for an inherited trait b) one of the alternate forms of a gene that governs a characteristic c) the passing of genetic material from parent to offspring d) the union of a male and female gamete to a form a zygote
Which type of rock is formed through the melting and cooling of lava and magma?
a) igneous b) metamorphic c) sedimentary d) diamond
what are the stages for mitosis in order?
a) interphase, metaphase, prophase, anaphase, telophase, cytokenisis b) interphase, prophase, anaphase, telophase, cytokenisis, metaphase c) interphase, telophase, metaphase, prophase, anaphase,cytokenisis d) Interphase, prophase, metaphase, anaphase, telophase, cytokenisis
what stage does the cell spend most of its time in?
a) metaphase b) interphase c) telophase d) cytokinesis
what is the condensed visible from of a chromatin?
a) chromosome b) chromatid c) DNA d) a cell
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
The process of what produces haploid cells?
a) mitosis b) meiosis c) cytokinesis d) nuclear division
Which is the best definition for allele?
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 form a zygote d) the same pairs
In an investigation, what is the control?
a) Something we change on purpose b) Something that changes as a response c) What we use as a comparison (the original gangster) d) The same thing as a constant
Which is the best definition for heredity?
a) one of the alternate forms of genes for a given trait b) passing traits from parent to offspring c) the same pairs d) different pairs
If a black rat breeds with a white rat, and all the offspring have grey fur, what kind of trait does this show?
a) incomplete dominance b) codominance c) recessive d) complete dominance
Which of the following is not a component of DNA?
a) oxygen b) bases c) phosphates d) sugars
Which is a benefit to meiosis?
a) it is faster b) it always produces more offspring than mitosis c) it allows for more traits to be inherited d) the offspring is always identical to one parent cell
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