5.2 Understanding Inheritance Vocab
Terms in this set (17)
same alleles, also called purebred, TT or tt
different alleles, also called hybrid, Tt
An allele whose trait always shows up if the allele is present, shown by a capital letter
an allele whose trait is hidden if a dominant allele is present, shown by a lower case letter.
genetic make up, or allele combination
physical trait, or how it looks.
BB, Bb, bb
brown, blonde or red hair
A characteristic in which an allele that expresses its phenotype even in the presence of a recessive allele
A diagram that shows the occurrence of a genetic trait in several generations of a family.
occurs when multiple genes determine the phenotype of a trait
diagram that can be used to predict the genotype and phenotype combinations of a genetic cross
situation in which both alleles of a gene contribute to the phenotype of the organism
A pattern of inheritance in which two alleles, inherited from the parents, are neither dominant nor recessive. The resulting offspring have a phenotype that is a blending of the parental traits.
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