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| 1 . |
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Based on the results of this cross, you determine that _____. (Activity: Linked Genes and Crossing Over) 
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| 2 . |
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The results of the following cross indicate that the _____. (Activity: Linked Genes and Crossing Over) 
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| 3 . |
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An F1 individual can produce _____ different gametes when both eye and tooth genes are considered. (Activity: Linked Genes and Crossing Over) 
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| 4 . |
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Given these chromosomes, which of the choices represents the possible recombinant gametes? (Activity: Linked Genes and Crossing Over) 
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| 5 . |
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The results of a F1 testcross are: 250 bald head, four ears : 247 hairy head, six ears : 21 bald head, six ears : 19 hairy head, four ears. How many map units apart are the head and ear genes? (Activity: Linked Genes and Crossing Over)
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| 6 . |
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Which of the individuals is homozygous recessive for both of the gene pairs? (Activity: Linked Genes and Crossing Over) 
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| 7 . |
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The results of the following cross indicates that the _____. (Activity: Linked Genes and Crossing Over) 
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| 8 . |
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The recombination frequency between gene A and gene B is 8.4%, the recombination frequency between gene A and gene C is 6.8%, and the recombination frequency between gene B and gene C is 15.2%. Which of these is the correct arrangement of these genes? (Activity: Linked Genes and Crossing Over)
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| 9 . |
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A color-blind woman mates with a male with normal color vision. Which of these results would indicate that color blindness is caused by an X-linked recessive allele? (Activity: Sex-Linked Genes)
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| 10 . |
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Color blindness is an X-linked recessive trait. A color-blind man has a daughter with normal color vision. What is the genotype of the daughter? (Activity: Sex-Linked Genes)
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| 11 . |
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Color blindness is an X-linked recessive trait. A color-blind man has a daughter with normal color vision. She mates with a male who has normal color vision. What is the expected phenotypic ratio of their offspring? (Activity: Sex-Linked Genes)
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| 12 . |
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Color blindness is an X-linked recessive trait. A color-blind man has a daughter with normal color vision. She mates with a color-blind male. What is the expected phenotypic ratio of their offspring? (Activity: Sex-Linked Genes)
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| 13 . |
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Color blindness is an X-linked recessive trait. A woman who is homozygous for normal color vision mates with a color-blind male. What is the expected phenotypic ratio of their offspring? (Activity: Sex-Linked Genes)
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| 14 . |
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Color blindness is an X-linked recessive trait. A color-blind woman mates with a male with normal color vision. What is the expected phenotypic ratio of their offspring? (Activity: Sex-Linked Genes)
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| 15 . |
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Color blindness is an X-linked recessive trait. Under what conditions can an unaffected male have a color-blind daughter? (Activity: Sex-Linked Genes)
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| 16 . |
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Hypophosphatemia (vitamin D-resistant rickets) is inherited as an X-linked dominant. An unaffected woman mates with a male with hypophosphatemia. What is the expected phenotypic ratio of their offspring? (Activity: Sex-Linked Genes)
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| 17 . |
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Hypophosphatemia (vitamin D-resistant rickets) is inherited as an X-linked dominant. A woman without hypophosphatemia and a man with hypophosphatemia have a daughter. The daughter mates with a male without hypophosphatemia. What is the expected phenotypic ratio of their offspring? (Activity: Sex-Linked Genes)
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| 18 . |
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Suppose that having three nostrils is a Y-linked character. A woman with two nostrils mates with a man with three nostrils. What is the expected phenotypic ratio of their offspring? (Activity: Sex-Linked Genes)
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| 19 . |
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Humans are diploid and have 46 chromosomes (or two sets). How many sets of chromosomes are found in each human gamete? (Activity: Polyploid Plants)
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| 20 . |
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Humans are diploid and have 46 chromosomes. How many chromosomes are found in each human gamete? (Activity: Polyploid Plants)
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| 21 . |
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_____ is the process by which haploid gametes form a diploid zygote. (Activity: Polyploid Plants)
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| 22 . |
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A particular diploid plant species has 48 chromosomes, or two sets. A mutation occurs and gametes with 48 chromosomes are produced. If self-fertilization occurs, the gametes will have _____ set(s) of chromosomes. (Activity: Polyploid Plants)
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| 23 . |
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Which of these terms applies to an organism with extra sets of chromosomes? (Activity: Polyploid Plants)
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| 24 . |
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Mutant tetraploid plants _____. (Activity: Polyploid Plants)
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| 25 . |
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Most polyploid plants arise as a result of _____. (Activity: Polyploid Plants)
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Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
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