Lecture 15 Quiz_ BIOL-1010-151-V35-Bradshaw-FALL 2014-XLIST.pdf

Lecture 15 Quiz_ BIOL-1010-151-V35-Bradshaw-FALL 2014-XLIST.pdf

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Unformatted text preview: 12/18/2014 Lecture 15 Quiz: BIOL­1010­151­V35­Bradshaw­FALL 2014­XLIST Lecture 15 Quiz Due Nov 23 at 11:59pm Points 10 Attempt History Questions 10 Available Nov 17 at 12am ­ Nov 23 at 11:59pm 7 days Time Limit 60 Minutes Attempt Time Score LATEST Attempt 1 16 minutes 5 out of 10 Score for this quiz: 5 out of 10 Submitted Nov 23 at 8:15pm This attempt took 16 minutes. Question 1 0 / 1 pts If statistically half of the children of two parents have the phenotype of Huntington's disease and the other half does not have the phenotype, what is the most likely genotype of the parents based on those statistics? Correct Answer one parent is heterozygous and the other is homozygous recessive one parent is heterozygous and the other is homozygous dominant You Answered both parents are homozygous recessive one parent is homozygous dominant and the other is homozygous recessive both parents are heterozygous Question 2 1 / 1 pts What are the chances that from a cross between a man with cystic fibrosis and a normal woman with no cystic fibrosis, that the children will carry at least one recessive gene? 50% not enough information to calculate 25% 0% Correct! 100% Question 3 0 / 1 pts A mother has blood type O. The father's blood type is unknown but they have a child with blood type O. What blood type(s) could the father possibly have and still have a child with blood type O. Blood type B or O You Answered Blood type AB 1/4 12/18/2014 Lecture 15 Quiz: BIOL­1010­151­V35­Bradshaw­FALL 2014­XLIST Blood type O only Correct Answer Blood type A, B, or O Blood type A or B Question 4 1 / 1 pts Nucleic acid sequence variations at the same gene loci on homologous chromosomes are referred to as Nucleotides Chromatins Chromatids Correct! Alleles Nucleosomes Question 5 0 / 1 pts A child has blood type O. The mother has blood type A and the father has blood type B. Which of the statements is TRUE? The mother's genotype is IAIA, while the father's genotype is IBIB Correct Answer The mother's genotype is IAi, while the father's genotype is IBi The mother and father cannot be the biological parents of the child You Answered The father is cannot be the biological father of the child The child's genotype is IAIB Question 6 1 / 1 pts What are the chances that the daughter born of a man with hemophilia and a woman who is a carrier will have hemophilia? 25% 100% 0% Correct! 50% 75% Question 7 0 / 1 pts 2/4 12/18/2014 Lecture 15 Quiz: BIOL­1010­151­V35­Bradshaw­FALL 2014­XLIST Mendel's Law of ____________________ is the explanation of single gene inheritance and is used to predict probability of inheritance from two sets of gametes. You Answered Inheritance Correct Answer Segregation Thermodynamics Entropy Independent Assortment Question 8 0 / 1 pts When a trait is only expressed with a homozygous genotype it is usually considered codominant Correct Answer You Answered recessive incomplete dominant dominant polygenic Question 9 1 / 1 pts In snapdragon flowers, red flowers mated with white flowers produce pink. What proportions of pink flowers are expected from the crossing of two pink snapdragon flowers? Correct! 50% pink 100% pink 75% pink 0% pink 25% pink Question 10 1 / 1 pts In a cross between two parents, both with the genotype "Aa", what is the ratio of genotypes in the offspring? 100% recessive 50% homozygous dominant: 50% homozygous recessive Correct! 25% homozygous dominant: 25% homozygous recessive: 50% heterozygous 3/4 12/18/2014 Lecture 15 Quiz: BIOL­1010­151­V35­Bradshaw­FALL 2014­XLIST 100% dominant 50% homozygous dominant: 25% homozygous recessive: 25% heterozygous Quiz Score: 5 out of 10 4/4 ...
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  • Spring '10
  • Bradshaw
  • Biology

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