Heredity the passing on of genetic traits from

Heredity - the passing on of genetic traits from parents to offspring + = ? Before you begin, you should know the four macromolecules + cell organelles

Gregor Mendel scientist + _____ demonstrated that inheritance followed particular patterns. mid ____s He spent time studying ___ plants. Studied pea plants and saw which traits got passed on and which didn’t = framework for heredity.

DNA (genetic information) takes the shape of ______ in order to get passed on from parent to child. Human cells have ___ pairs of chromosomes. A gene is a section of DNA in a specific location on a chromosome that contains ___________ _______.

Polygenic Trait - 'many-genes'. most of the time, physical trait is a reflection of _______ genes working together Ex. Eye color Pleiotropic Trait a ______ gene that can influence how multiple traits are going to be expressed Ex. albinism

Mendelian trait single traits decided by a _____ gene Ex. color of pea flowers Ex. In humans, one of them being the relative wetness or dryness of your earwax. One gene that determines the consistency of your earwax, located at the very same spot on each person's chromosome ___.

Alleles ____ version of a _____ TWO Ear wax alleles = Wet / dry Difference? ______ gene sequence differs in one exact spot. If the amino acid is glycine in that slot then you're going to have wet earwax, but if it's arginine, it's dry. …How do you get what you get from your parents?