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This quiz contains 9 questions from a mix of 1 subtopics.
What does the term 'allele' refer to?
an organism's genetic makeup
different versions of the same gene, coding for variants of a characteristic
a sequence of bases on a DNA molecule that codes for a protein, which results in a characteristic
an organism's physical characteristics as determined by its genotype and environment
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What is the definition of genotype?
an organism's genetic makeup - its alleles
a sequence of bases on a DNA molecule that codes for a protein, which results in a characteristic
an organism's physical characteristics as determined by its genotype and environment
different versions of the same gene, coding for variants of a characteristic
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What does the term 'phenotype' refer to?
an organism's physical characteristics as determined by its genotype and environment
an organism's genetic makeup - its alleles
different versions of the same gene, coding for variants of a characteristic
a sequence of bases on a DNA molecule that codes for a protein, which results in a characteristic
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What is a dominant allele?
an allele that is expressed only when two copies are present
an allele only expressed if two copies are present
an allele that is expressed even when only one copy is present
an allele that is not expressed in the presence of another dominant allele
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What is a locus?
an allele that is expressed when only one copy is present
the specific position of a gene on a chromosome
an organism with two identical alleles for a trait
an organism with two different alleles for a trait
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What is a homozygous organism?
an organism with two different alleles for a trait
the specific position of a gene on a chromosome
an organism with two identical alleles for a trait
an allele that is expressed when only one copy is present
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What is a heterozygous organism?
an allele that is expressed when only one copy is present
an organism with two identical alleles for a trait
an organism with two different alleles for a trait
the specific position of a gene on a chromosome
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What is the F1 generation?
offspring from a cross between individuals with homozygous recessive and heterozygous genotypes
offspring from a cross between two heterozygous F1 individuals
offspring from a cross between individuals with homozygous dominant and heterozygous genotypes
offspring from a cross between individuals with homozygous dominant and homozygous recessive genotypes
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What is the F2 generation?
offspring from a cross between individuals with homozygous dominant and homozygous recessive genotypes
offspring from a cross between individuals with homozygous recessive and heterozygous genotypes
offspring from a cross between two heterozygous F1 individuals
offspring from a cross between individuals with homozygous dominant and heterozygous genotypes
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