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Genetics

Cells and Heredity Chapter 4

QuestionAnswer
Sexual reproduction When a cell containing genetic material from the mother and a cell containing genetic material from the father combine into a completely new cell.
Gene A unit of heredity that occupies a specific location on a chromosome and codes for a particular product.
Heredity The passing of genes from parent to offspring.
Alleles Various forms of the same gene.
Phenotype The actual characteristics of the organism that can be observed.
Genotype The genetic makeup of an organism.
Dominant allele One that is expressed in the phenotype even if only one copy is present in the genotype.
Recessive allele One that is expressed in the phenotype only when two copies of it are present in the genotype.
Created by: theglynch
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