Matching Pairs Matching - Punnett Squares ,Variation, & MutationsOnline version Matching - Punnett Squares ,Variation, & Mutations by Jodi Sarber 1 The two different parents 2 Mutations AND Mixing of alleles during Sexual Reproduction 3 Punnett Square definition 4 Variation 5 Homozygous 6 Punnett Square showing VARIATION of offspring genotypes compared to parents 7 1 letter per starred spot 8 Heterozygous 9 2 letters per starred spot 10 The possible offspring 11 Natural Selection 12 Asexual Reproduction 13 Punnett Square showing NO VARIATION of offspring genotypes compared to parents 14 Sexual Reproduction 15 Mutation Organisms with better genes survive and those alleles get passed onto offspring A change in a gene/allele base pair that causes a new allele to be formed that can be passed to the offspring A chart that shows all the possible combinations of alleles that can result from a genetic cross of 2 parents Example: GG or gg Example: Gg Causes of genetic variation Type of reproduction that leads to variation of traits Differences among individuals in the composition of their genes or other DNA segments Type of reproduction that leads to NO variation of traits
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