1. Mendelian Inheritance Vocabulary Mendleian Genetics Vocabulary

2. Some Genetics Vocabulary Inherited: something that you got from your parents Traits: characteristics that you inherit from your parents Genetics: the study of inheritance and variation (differences) Gregor Mendel: monk in the mid 1800s who studied pea plants

3. Gregor Mendel 19 th Century (mid 1800s) Austrian monk who studied pea plants Trained as a mathematician and natural scientist Basic principles of hereditary 28,000 pea plants experiments between 1856-1863 https://www.youtube.com/ watch?v=aoVeSncKFAY https://www.youtube.com/ watch?v=aoVeSncKFAY I love peas!

4. Before Mendel, it was thought that a child would always be a BLEND of its parents. This turned out to be NOT TRUE. Tall parent Small parent

5. Some Genetics Vocabulary Gene: a piece of DNA that codes for a particular protein (trait). One gene makes one protein. Genotype: genes for a specific trait (one from Mom, one from Dad). What genes are actually there. Phenotype: how the genes are expressed in your body (appearance)

6. Some Genetics Vocabulary Alleles: different versions of a gene Dominant: wins, is expressed. Use the capital letter of the dominant version as the symbol. (L for large eyes). Recessive: loses, is not expressed if the dominant gene is also there. Use the lowercase letter of the dominant version as the symbol. (l for small eyes).

7. Some Genetics Vocabulary combinations of alleles LL- large eyes. Homozygous dominant ll- small eyes. Homozygous recessive Ll- large eyes. Heterozygous Hybrid: A heterozygous offspring of two pure- breeding (homozygous) parents

8. Intelligence Inherited or environmental?

9. Creativity Inherited or environmental?

10. Athletic ability Inherited or environmental?

11. Homosexuality Inherited or environmental?

12. Making Babies Project! Start by determining your phenotype From your phenotype, determine your genotype with a coin flip DO NOT choose sex yet!!! Once you’ve selected all genotypes, write these onto your 18 chromosomes and cut them out Put these in an envelope labeled either “Sperm” or “Egg” (gametes) Ll Long lash Short lash M/F