Exam 23: Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

A) the second generation, one gene trait.
B) the first generation, four gene traits.
C) the third generation, four gene traits.
D) the second generation, two gene traits.
E) none of these.

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Both the HIV virus that causes AIDS and ...

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A) 1
B) 2
C) 3
D) 4
E) 1, 2, or 3

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A) tRNA
B) mRNA
C) nucleus
D) ribosome
E) codon

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A) hairy toe knuckles
B) pod texture
C) flower color
D) height
E) hybrids

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A) a change in the RNA of the parent
B) damage to the cell membrane of the parent
C) an alternation of DNA in a parent's egg or sperm
D) diseases such as cancer or hypertension
E) infertility in older parents

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A) supplies information that runs cell chemistry.
B) divides the cell through mitosis.
C) determines the genetic code.
D) destroys extra nucleotides.
E) includes all of these.

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Enzymes in the cell break the hydrogen b...

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In the Human Genome Project, scientists ...

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A) All organisms employ the same genetic code.
B) Traits can be either dominant or recessive.
C) Units of inheritance pass traits from parents to offspring.
D) Both parents contribute equally to the traits of the offspring.
E) Tallness is dominant over shortness in pea plants.

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Regarding rule 1, physical characteristi...

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A) 0 1 1 1 0 0
B) C A T C A T
C) T U T T A T
D) a b c d e f
E) + - - + + -

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A) size
B) shape
C) location
D) sugar
E) all of these are correct

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DNA mapping is the process of finding th...

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A) Parents are equally important in the transfer of genetic information.
B) The male contributes most of the dominant traits.
C) The female contributes most of the dominant traits.
D) Physical traits are expressed in a random proportion.
E) Mental traits are expressed in a ratio of 9:3:3:1.

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A

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The four possible rungs are adenine to t...

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A) transfers DNA information from the nucleus to the rest of the cell.
B) uses RNA to carry genetic information.
C) relays instructions to regulate the cell chemistry.
D) all of these are correct.
E) none of these are correct.

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D

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Transfer RNA reads mRNA's coded message of base pair sequences. If tRNA is a complement for the mRNA base pair sequence, then tRNA will bond at that particular spot. An amino acid that matches the codon (three-base set) of the mRNA is attached to the other end of the tRNA. In time a string of amino acids in a specific sequence is assembled and the primary structure of the protein determined.