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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
natural selection of favorable traits
D
selective breeding for particular 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
egg cells
B
sperm cells
C
only a few of the cells that develop from that skin cell
D
every cell that develops from that skin cell
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
different parts of the genetic instructions are used in each type of cell
B
proteins in each cell type change the structure of DNA
C
temperature variations within the body alter 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
meiosis
B
recombination
C
mitosis
D
coordination
5) Which activity enables humans to produce new genetic combinations in other organisms?
A
decreasing the amount of DNA in the diet of the organisms
B
increasing the number of enzymes available to the organisms
C
selecting and breeding the organisms for specific traits
D
growing organisms that reproduce asexually
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
proteins for red hair in the placenta
B
genes for red hair in her skin
C
genes for red hair in her sex cells
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
donated organ might attack the body
B
immune system might attack its own body cells
C
donated organ might attack the immune system
D
immune system might attack the donated organ
8) The DNA of a fly and the DNA of a gorilla are made up of subunits that are
A
in different sequences in each of the two species
B
different bases in each of the two species
C
arranged in chains of the same length in both species
D
arranged in the same order in both 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
a mutation
B
cell reproduction
C
meiosis
D
gene replication
10) Modern technology could be used to clone pet dogs and cats. The cloned animals would resemble the original pets because
A
the new animals have mutations not found in the original pets
B
half of the genetic information of the new animals is the same as that of the original pets
C
the genes of the new animals are different from those 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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