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Genetic Engineering
Test Description: Mutations through DNA fingerprinting
Instructions: Answer all questions to get your test result.
1) In the past, humans developed varieties of dogs, such as the German shepherd and the bearded collie, using
A
recombination of genes during mitosis
B
mutations present only in body cells
C
selective breeding for particular traits
D
natural selection of favorable traits
2) The processes of deletion, insertion, and substitution can alter genes in a skin cell. The altered genes will most likely be passed on to
A
only a few of the cells that develop from that skin cell
B
egg cells
C
every cell that develops from that skin cell
D
sperm cells
3) In an organism, a muscle cell has the same DNA as a nerve cell, yet the cells perform different functions. This is possible because
A
temperature variations within the body alter DNA
B
different parts of the genetic instructions are used in each type of cell
C
proteins in each cell type change the structure of DNA
D
different mutations occur in each cell type, changing the genetic instructions
4) Melanoma is a type of cancer in which abnormal skin cells divide uncontrollably. Some chemotherapy drugs, which stop the growth of the cancer, directly interfere with the process of
A
recombination
B
coordination
C
meiosis
D
mitosis
5) Which activity enables humans to produce new genetic combinations in other organisms?
A
growing organisms that reproduce asexually
B
increasing the number of enzymes available to the organisms
C
decreasing the amount of DNA in the diet of the organisms
D
selecting and breeding the organisms for specific traits
6) A woman changes her hair color to red; however, her children will not inherit this red hair color because the woman does not have
A
genes for red hair in her sex cells
B
proteins for red hair in the placenta
C
genes for red hair in her skin
D
proteins for red hair in her egg cells
7) An organ, such as a kidney, used for transplant needs to be tested for compatibility with the person who is to receive the organ. If this is not done, the
A
immune system might attack its own body cells
B
immune system might attack the donated organ
C
donated organ might attack the body
D
donated organ might attack the immune system
8) The DNA of a fly and the DNA of a gorilla are made up of subunits that are
A
arranged in the same order in both species
B
arranged in chains of the same length in both species
C
in different sequences in each of the two species
D
different bases in each of the two species
9) In a cell teh original sequence of bases was ATTCAGACG. After the replication process the new cells had the sequence ATTCGGACG. This is an example of
A
cell reproduction
B
gene replication
C
meiosis
D
a mutation
10) Modern technology could be used to clone pet dogs and cats. The cloned animals would resemble the original pets because
A
the genes of the new animals are different from those of the original pets
B
the new animals have mutations not found in the original pets
C
half of the genetic information of the new animals is the same as that of the original pets
D
the new animals have the same genetic information as the original pets
*select an answer for all questions
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