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Genetics

Quiz by lisa

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21 questions
Show answers
  • Q1
    An organism’s genotype is its:
    homozygous
    hair color
    physical appearance
    genetic makeup
    30s
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  • Q2
    Scientists call an organism that has two of the same alleles for a trait a:
    purebred
    hybrid
    factor
    heterozygous
    30s
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  • Q3
    Scientists call an organism that has two different alleles for a trait a:
    homozygous
    purebred
    factor
    heterozygous
    30s
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  • Q4
    The different forms of a gene are:
    genes
    factors
    alleles
    traits
    30s
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  • Q5
    The hidden or masked form of a trait in a hybrid is:
    dominant
    homozygous
    heterozygous
    recessive
    30s
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  • Q6
    The part of a chromosome that determines inheritance and expression of a trait is a:
    hybrid
    chromosome
    gene
    DNA
    30s
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  • Q7
    What does the notation Tt mean to geneticists?
    two recessive alleles
    at least one recessive allele
    two dominant alleles
    one dominant allele & one recessive allele
    30s
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  • Q8
    In genetics, the appearance of a trait in an individual is the:
    genotype
    phenotype
    allele
    allele
    30s
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  • Q9
    The form of a trait that prevents the expression of its companion in a pair is:
    recessive
    a hybrid
    dominant
    an allele
    30s
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  • Q10
    An organism that has two identical alleles for a trait is:
    heterozygous
    co-dominant
    homozygous
    dominant
    30s
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  • Q11
    Who is known as the father of genetics?
    Isaac Newton
    Paul Harvey
    Gregor Mendel
    Robert Hooke
    30s
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  • Q12
    What is an offspring?
    where an aquifer comes out of the ground
    a young organism
    running water
    a dead organism
    30s
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  • Q13
    Where do we get our genes?
    our grandparents
    both mother and father
    father only
    mother only
    30s
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  • Q14
    The passing of genetic information from parent to offspring is called:
    heredity
    chromosomes
    genetics
    genes
    30s
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  • Q15
    What is the genetic material that controls an organism's inherited traits called?
    chromosomes
    heredity
    traits
    charateristics
    30s
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  • Q16
    Where are chromosomes found?
    in the cell wall
    in the vacuole
    in the mitochondria
    in the nucleus
    30s
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  • Q17
    How many chromosomes do humans have in each cell?
    10 pairs, total of 20
    46 pairs, total of 92
    23 pairs, total of 46
    22 pairs, total of 44
    30s
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  • Q18
    What are traits?
    people with brown hair and blue eyes
    characteristics or qualities that make us who we are
    interactions with an individual's environment
    gray areas between two extremes
    30s
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  • Q19
    Video game skills are not inherited. What evidence best supports this claim?
    People who are good at video games are from one country.
    People who are good at video games also do well in school.
    People who are good at video games have to practice and memorize moves.
    People who are good at video games get this from their parents.
    30s
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  • Q20
    List the correct order from smallest to largest:
    gene, DNA, chromosomes, nucleus
    chromosomes, DNA, nucleus, gene
    gene, chromosomes, DNA, nucleus
    nucleus, chromosomes, DNA, gene
    30s
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