Transcript Key Terms Foldable CH. 5 Heredity

Key Terms
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CH. 5 Heredity
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Heredity
Dominant Trait
Recessive Trait
Gene
Allele
Phenotype
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Genotype
Probability
Homologous Chromosome
Meiosis
Sex Chromosome
Pedigree
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The passing of genetic traits from parent to
offspring.
The trait observed in the first generation
when parents that have different traits are
bred.
A trait that is apparent only when two
recessive alleles for the same
characteristic are inherited.
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One set of instructions for an inherited trait.
One of the alternative forms of a gene that
governs a characteristic, such as hair color.
An organism’s appearance or other
detectable characteristics.
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The entire genetic makeup of an organism;
also the combination of genes for one or
more specific traits.
The likelihood that a possible future event
will occur in any given instance of the event
Chromosomes that have the same sequence
of genes and the same structure.
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A process in cell division during which the
number of chromosomes decreases to half
the original number by two divisions of the
nucleus, which results in the production of
sex cells (gametes or spores).
One of the pair of chromosomes that
determines the sex of an individual.
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A diagram that shows the occurrence of a
genetic trait in several generations of a
family.