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What is….heterozygous?
This is a term used to describe a pair of
non-identical alleles at a gene locus. For
example, Bb.
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What is ….homozygous?
This is a term to describe a pair of identical
alleles at a gene locus. For example, BB or bb.
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What are …. Alleles?
These are unique/different molecular forms
of a gene that are possible at a given locus...
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What is …. genotype?
The particular genes carried by an
individual…
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What is….phenotype?
The observable (expressed, can
physically see) inherited traits
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What is ….a dominant allele?
This type of allele is represented by a capital
letter and has the ability to mask other
traits…
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What is ….a recessive allele?
This type of allele is represented by a lower
case letter.
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What are ….hybrid offspring?
This is a type of offspring that inherits a pair
of non-identical alleles for a trait…
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What is …. incomplete
dominance?
This is when one allele of a pair isn’t fully
dominant over its partner, so a heterozygous
phenotype somewhere in between the two
homozygous phenotypes emerges (creating a
mixture)
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What is ….XX?
Sex chromosome for females
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What is …. XY?
Sex chromosomes for males.
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What is …heterozygous (Ww)
and white-flowered?
A cross between WW x ww will result in
this genotype and phenotype of the
offspring.
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What is… P (parent) generation?
This describes the parental generation of pea
strains that Mendel studied.
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What is the F1 (first filial)
generation?
This is the offspring of the P generation that
Mendel studied.
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What is ….F2 (second filial)
generation?
This describes the offspring of the first filial
generation that Mendel studied…
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What is…100% Black?
The allele for black (B) is dominant over the
allele for brown (b). Predict the results of a
cross between BB x bb.
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