BIO 100 - Chapter 19 Genetics & Inheritance

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tt23
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271715
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BIO 100 - Chapter 19 Genetics & Inheritance
Updated:
2014-04-24 00:08:48
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Exam4
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  1. Alternative versions of the same gene are ________.
    alleles
  2. A ________ refers to the complete set of genes in the chromosomes of an individual.
    genome
  3. In ________, the phenotype of the heterozygous genotype is an intermediate between the phenotype of either homozygous genotype.
    incomplete dominance
  4. When someone says they have blue eyes, they are describing the physical appearance of a trait, or their ________.
    phenotype
  5. An individual who has two copies of the same allele has a ________ genotype.
    homozygous
  6. A phenotype is determined by ________ and ________.
    genotype, environmental factors
  7. Genes for different traits located on the same chromosomes are called ________.
    linked genes
  8. The separation of pairs of alleles during meiosis is called ________.
    segregation
  9. Traits that are influenced by many genes are called ________.
    polygenic
  10. Failure of homologous chromosomes or sister chromatids to separate properly is called ________.
    nondisjunction
  11. A ________ occurs when a piece of chromosome breaks off or is lost.
    deletion
  12. Genes located on the same chromosome are not always inherited together because of the process of ________, which occurs during meiosis; this process "reshuffles" the genes.
    crossing-over
  13. A display of an individual's chromosomes is known as a ________.
    karyotype
  14. During embryological development, if a certain gene on the ________ chromosome is activated during the sixth or seventh week of development, the embryo will develop into a male.
    Y
  15. The process by which a piece of a chromosome breaks off and then attaches to another chromosome is ________.
    translocation

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