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From which parent did you acquire the gene for oureye color?
C. both
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An individual has the genotype, Aa, for a particular trait. Such an individual is said to be ________, for that trait.
D. heterozygous
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Although Mendel realized alleles that control a trait into different gametes, he did not know that the process we now call ________ was responsible
A. meiosis
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What would the phenotype blood type be for an individual with the genotype iii?
C. this genotype is not allowed
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The chemical substance called melanin is responsible for an individual's
C. B and D
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The body's production of testosterone is accomplished by the
D. A and B
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The two strands of DNA are held together by:
B. electromagnetism
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RNA differs from DNA in that RNA
D. A and B
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Gene therapy combines medicine with genetics in the hope that researchers may be able to
C. treat or cure sickle-cell anemia and cystic fibrosis
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Early findings of the Human Genome Project provide
D. all of these
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If a codon is UUG, what is the anticodon?
A. AAC
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If a DNA coding strand is read as GATTAC, what is the non-coding strand?
B. CTAATG
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If a female of blood type A crosses with a male of blood type B and the resulting child has blood type O - one would know this about the parents:
D. A and B
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If someone has two alleles for a certain trait and the two alleles are different
B. 1/2 of the gametes will contain the dominant allele and 1/2 of the gametes will contain the recessive allele
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Suppose a certain genetic characteristic were inherited as a dominant allele and inheritance of that allele resulted in death, how many generations would it take to rid the population of this condition?
A. one
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The early work of this Augustinian monk would eventually lead to the modern scientific study of inherited characteristics:
D. Gregor Mendel
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The observable characteristics of an organism:
B. phenotype
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Mendel's experiments with ________ proved to be critical and advantageous in the formulation of his laws of heredity
C. pea plants
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A ________ is used by geneticists in order to determine the probability of genotypes and phenotypes of the progeny of a particular cross
C. Punnett square
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The dominance or recessiveness of genes does not tell the whole inheritance story. Today, geneticists recognize there are other important factors. Which of these does not belong in that group?
C. human culture
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The SRY gene is only found on the
A. Y chromosome
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Phenotypic variation classified in terms of how much or by what amount results from:
B. polygenic inheritance
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One way a person born with Diabetes mellitus can delay this genetic condition is to:
A. avoid dietary sugar
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Which of these is NOT one of the four properties that enable DNA to function as genetic material:
D. store energy
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Which of these human cell types will lose its DNA and die over a period of a few months?
B. blood
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The words of the DNA code are RNA's codon are________ letters long
D. 3
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These molecules are responsible for picking up particular amino acids and transferring them to the ribosome for assembly into polypeptides:
A. tRNA
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Sickle-cell anemia is a genetic disease of these cells:
D. red blood
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Genetically modified organisms have been used to create:
D. all of these
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By early 2003, the complete nucleotide sequence for all 23 pairs of human chromosomes had been established--this was the main goal of the:
B. HGP
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One artificial means by which to copy selected segments of DNA is called:
C. polymerase chain reaction
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