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Which of the following represents a test cross?
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Tt x tt
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There are 2 alleles that lead the the ABO blood types. How many alleles does an individual inherit from their parents?
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2
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In the human ABO blood grouping, there are four basic blood types, A, B, AB, and O. The blood proteins A and B are:
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Codominant
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When two true-breeding parental genotypes are crossed, the offspring are referred to as the:
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F1 generation
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Put the following terms in the correct order from start to finish. (mRNA, protein, chromosomes, gene, polypeptide, primary transcript.)
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Chromosomes > gene > primary transcript > mRNA > polypeptide > protein
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Which of the following is a sex-linked disorder?
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Duchenne muscular dystrophy
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If several traits are affected by the same allele, the allele is said to be:
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Pleiotropic
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The diploid number of chromosomes in pea plants is 14. What is the haploid chromosome number?
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7
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Two true-breeding pea plants are crossed, one with purple flowers and the other with white. Their offspring are:
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Heterozygous with the dominant phenotype
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The outward expression of an organism’s genotype
is referred to as its genotype.
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Flase
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All of the following are recessive traits in
humans except:
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Mid-digital hair
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Nondisjunction of chromosomes resulting in aneuploidy occurs during:
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Anaphase I or II
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What is the product of transcription?
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RNA
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Whose work with fruit flies presented the first clear evidence that the genes determinging Mendelian traits reside on chromosomes?
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Thomas Hunt Morgab
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Which procedure is the least-invasive method of assessing fetal health while development is still occurring?
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Ultrasound
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