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Punnett Squares

8th Grade Life Science

QuestionAnswer
A characteristic that is passed down from parent to offspring. trait
The location in an individual's DNA that is the genetic code of a certain trait. gene
Different forms of an a gene. alleles
A word that refers to an organism having a particular gene that has identical alleles on both chromosomes. It will have two dominant alleles (BB), or two recessive alleles (bb). homozygous
A word that refers to an organism having one dominant and one recessive gene (Bb) heterozygous
The two letter code that represents that alleles that an individual has. genotype
A description of your actual physical characteristics. This includes straightforward visible characteristics like your height and eye color, but also your overall health, your disease history, and even your behavior and general disposition. phenotype
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