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These questions deal with mitosis, meiosis, and crossing over. Answer accordingly. REMEMBER: PERIOD# followed by FIRST & LAST NAME.
- 1.
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Some cells involved in the process of reproduction are represented in the diagram below. The process of meiosis formed- A.
Cell 1, only
- B.
Cells 1 and 2
- C.
Cell 3, only
- D.
Cells 2 and 3
- 2.Which diagram best represents the relative locations of the structures in the list below? A–chromosome B–nucleus C–cell D–gene
- A.
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- B.
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- C.
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- D.
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- 3.
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The diagram below represents a process involved in reproduction in some organisms. This process is considered a mechanism of evolution because- A.
Mitosis produces new combinations of inheritable traits
- B.
It increases the chances of DNA alterations in the parent
- C.
It is a source of variation in the offspring produced
- D.
Meiosis prevents recombination of lethal mutations
- 4.A mutation that can be inherited by offspring would result from
- A.
Random breakage of chromosomes in the nucleus of liver cells
- B.
A base substitution in gametes during meiosis
- C.
Abnormal lung cells produced by toxins in smoke
- D.
Ultraviolet radiation damage to skin cells
- 5.The sorting and recombining of genes during meiosis and fertilization usually leads to the production of
- A.
Gametes with many copies of the same chromosome
- B.
Embryos with traits identical to those of all other members of the species
- C.
Zygotes with the genetic information to produce only females
- D.
Offspring with some traits that did not appear in their parents
- 6.
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- A.
Why some offspring are genetically identical to their parents
- B.
The process of differentiation in offspring
- C.
Why some offspring physically resemble their parents
- D.
The origin of new combinations of traits in offspring
- 7.
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The bud shown in the diagram below was produced by asexual reproduction. Which process is responsible for the formation of the bud?- A.
Fertilization
- B.
Recombination
- C.
Mitosis
- D.
Meiosis
- 8.
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The diagram below shows a process that can occur during meiosis. The most likely result of this process is- A.
A new combination of inheritable traits that can appear in the offspring
- B.
An inability to pass either of these chromosomes on to offspring
- C.
A loss of genetic information that will produce a genetic disorder in the offspring
- D.
An increase in the chromosome number of the organism in which this process occurs
- 9.During meiosis, crossing-over (gene exchange between chromosomes) may occur. Crossing- over usually results in
- A.
Overproduction of gametes
- B.
Fertilization and development
- C.
The formation of identical offspring
- D.
Variation within the species
- 10.A sudden change in the DNA of a chromosome can usually be passed on to future generations if the change occurs in a
- A.
Skin cell
- B.
Sex cell
- C.
Liver cell
- D.
Brain cell
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