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Genetics

Quiz by lisa

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21 questions
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  • Q1
    An organism’s genotype is its:
    homozygous
    hair color
    physical appearance
    genetic makeup
    30s
  • Q2
    Scientists call an organism that has two of the same alleles for a trait a:
    purebred
    hybrid
    factor
    heterozygous
    30s
  • Q3
    Scientists call an organism that has two different alleles for a trait a:
    homozygous
    purebred
    factor
    heterozygous
    30s
  • Q4
    The different forms of a gene are:
    genes
    factors
    alleles
    traits
    30s
  • Q5
    The hidden or masked form of a trait in a hybrid is:
    dominant
    homozygous
    heterozygous
    recessive
    30s
  • Q6
    The part of a chromosome that determines inheritance and expression of a trait is a:
    hybrid
    chromosome
    gene
    DNA
    30s
  • 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
  • Q8
    In genetics, the appearance of a trait in an individual is the:
    genotype
    phenotype
    allele
    allele
    30s
  • Q9
    The form of a trait that prevents the expression of its companion in a pair is:
    recessive
    a hybrid
    dominant
    an allele
    30s
  • Q10
    An organism that has two identical alleles for a trait is:
    heterozygous
    co-dominant
    homozygous
    dominant
    30s
  • Q11
    Who is known as the father of genetics?
    Isaac Newton
    Paul Harvey
    Gregor Mendel
    Robert Hooke
    30s
  • Q12
    What is an offspring?
    where an aquifer comes out of the ground
    a young organism
    running water
    a dead organism
    30s
  • Q13
    Where do we get our genes?
    our grandparents
    both mother and father
    father only
    mother only
    30s
  • Q14
    The passing of genetic information from parent to offspring is called:
    heredity
    chromosomes
    genetics
    genes
    30s
  • Q15
    What is the genetic material that controls an organism's inherited traits called?
    chromosomes
    heredity
    traits
    charateristics
    30s

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