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Cells Structure and Function

Cells Structure and Function. Genetics and Punnett Squares Dominant- describes an allele that determines the phenotype of an individual organism when two different copies are present in the genotype

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Cells Structure and Function

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  1. CellsStructure and Function

  2. Genetics and Punnett Squares Dominant- describes an allele that determines the phenotype of an individual organism when two different copies are present in the genotype Recessive-describes an allele that is not expressed when combined with a dominant form of the gene Heterozygous- having different pairs of alleles for the same characteristic Homozygous-having identical pairs of alleles for the same characteristic Genotype- the name for the genes an organism has Phenotype- the physical features of an organism

  3. Example: In rabbits, black fur (B) is dominant to brown fur (b). Give the genotype of a heterozygous black rabbit: _____________ Give the phenotype of a homozygous brown rabbit: ____________ If a heterozygous black rabbit and a brown rabbit were crossed, what is the probability that their offspring will be brown? Show your work.

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