have the information you inherit and are found on the chromosomes

pure or the same genes for a trait(BB or bb)

hybrid – different genes for a trait. Example: Bb

characteristics (things you can look at on an individual)

used to predict results of a genetic cross

only shows its trait if no dominant gene is present

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Intro to Genetics

Question	Answer
Variation	differences within a species
Genes	have the information you inherit and are found on the chromosomes
Homozygous	pure or the same genes for a trait(BB or bb)
Heterozygous	hybrid – different genes for a trait. Example: Bb
Trait	characteristics (things you can look at on an individual)
Genotype	all the genes of an individual
Phenotype	how an individual looks
Punnett Square	used to predict results of a genetic cross
Dominant gene	shows its trait
Recessive gene	only shows its trait if no dominant gene is present