SC160EXAM4.docx - SC160 Module 4 Question 1 6.67 6.667...

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SC160EXAM4.docx

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Question 1   6.67 / 6.667 points A purebred plant that produces yellow seeds is crossed with a purebred plant that produces green seeds . The seeds of all of the offspring are yellow . Why ? Question options :
A ) The yellow allele is recessive to the green allele .
B ) All of the offspring are homozygous yellow .
C ) The yellow allele is dominant to the green allele .
D ) The alleles are codominant .
Question 2   6.67 / 6.667 points A purebred plant that produces yellow seeds is crossed with a purebred plant that produces green seeds . The F1 plants have yellow seeds . What is the expected phenotypic ratio of seed color of the offspring of an F1 × × { " version " : " 1.1 " , " math " : " < math xmlns = " http://www.w3.org/1998/Math/MathML "><mo>&#xD7;</ mo ></ mat h> " } F1 cross ? Question options :
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Question 3   6.67 / 6.667 points An individual who is homozygous ________. Question options :
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Question 4   6.67 / 6.667 points Which cross will produce only heterozygous offspring ? Question options :
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Question 5   0 / 6.667 points DNA contains the nitrogenous base ________ instead of ________ , which is found only in RNA . Question options :
A ) a deoxyribose sugar ; a ribose sugar
B ) uracil ; thymine
C ) uracil ; guanine
D ) thymine ; uracil
Question 6   6.67 / 6.667 points If one strand of a DNA double helix has the sequence ATCCGA , what is the sequence of the other strand ? Question options :
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Question 7   6.67 / 6.667 points What type of chemical bond joins the bases of complementary DNA strands ? Question options :
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Question 8   6.67 / 6.667 points If a strand of DNA has the sequence GACTTA , transcription will result as CTGAAT . Question options :
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Question 9   0 / 6.667 points Translation converts the information stored in __DNA ______ to ___RNA_____.ene flow is NOT a requirement of natural selection . Question options :
 True
 False
SC160 Module 4Question 16.67 / 6.667 pointsA purebred plant that produces yellow seeds is crossed with a purebred plant that produces green seeds. The seeds of all of the offspring are yellow. Why?Question options:A) The yellow allele is recessive to the green allele.B) All of the offspring are homozygous yellow.C) The yellow allele is dominant to the green allele.D) The alleles are codominant.
Question 26.67 / 6.667 pointsA purebred plant that produces yellow seeds is crossed with a purebred plant that produces green seeds. The F1 plants have yellow seeds. What is the expected phenotypic ratio of seed color of the offspring of an F1×× {"version":"1.1","math":"<math xmlns=""><mo>&#xD7;</mo></math>"} F1 cross?
Question 36.67 / 6.667 pointsAn individual who is homozygous ________.

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