Theme 5: Reproduction and Inheritance

Unit 5b QBO- Mendelian Genetics (09-10)

Keywords– genetic recombination, traits, heredity, dominant, recessive, allele, genotype, phenotype, homozygous, heterozygous, monohybrid cross, dihybrid cross, Punnett square, genotypic ratio, phenotypic ratio, complete dominance, incomplete dominance, codominance, P generation, F₁ generation, F₂ generation, polygenic traits

Objectives–

1. How can we predict what traits offspring will have?
2. How can two purple flowers produce a white offspring?
3. Why do siblings with the same parents look different than either parent?

Activities/Labs–

1. Flower Breeding Hypotheses Worksheet

2. Genetics Problems WS (Level 1)

3. Genetics Problems WS (Level 2)

4. Create-a-Baby Lab

Extensions-

1. Genetics Problems Worksheet (Level 3)– this sheet is extra-credit!

Further Research: sex-linked traits, Mendel’s pea studies, blood type prediction, how Mendelian genetics relates to biological evolution, polygenic traits, achondroplasia, sickle-cell anemia, sex-linked traits, genetics of common human traits, polydactyl, pedigree, albinism

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