ISN p 146 147 Tues TOPIC MT 16

ISN p. 146 & 147 Tues TOPIC: MT 16 02. 13 The Genetics of Life MY GOAL: I will find out about Mendels work in Genetics Check This out Even GOOGLE recognizes the importance of Genetics

Your st 1 Job Today ISN page 146 READ � Find out who Gregor Mendel is… � Why he is referred to as ‘The Father of Genetics’… � Why he studied pea plants…

The Father of Genetics Mendel v v v Good student in math, sciences… Studied to become a Monk Taught at a monastery Studied bees, astronomy, meteorology Out of curiosity he studied the pea plants in the monastery garden: v Pea Plants…. Small, grow easy, matures quickly, many offspring, Male/Female in same flower

Either/Or Traits… make them easy to study!

Purebred vs Hybrid v A Purebred plant produces the same offspring with the same trait as the parent. v Mendel discovered that purebred tall pea plants would always have offspring that were tall. v Mendel knew that the offspring would be identical to the parent. v A Hybrid plants traits are not the same as the parent

Hybrid Labrodoodle Purebred Labrador Retriever Purebred Standard Poodle

Genetic Cross & Generations �A cross is simply the mating of 2 individual plants, animals, etc �P = parental generation � F 1 = 1 st filial (Latin for daughter & son) � F 2 = 2 nd filial

Your nd 2 Job Today ISN 147 READ �Find out what the Law of Segregation is…

Mendels v 2 genes for a trait: 1 from mom, 1 from dad) v They separate during meiosis (anaphase)… which IS The LAW OF SEGREGATION st 1 Law

1. Why is peer review important to the acceptance of a theory? A. determines when theory can be modified B. confirms that theory is scientifically sound C. explains how theory can be proven in the future D. evaluates if theory can be applied to other explanations 2. The P generation is analogous to A. Your parents B. Your grandparents C. You and your siblings 3. The F 1 generation is analogous to A. Your parents B. Your grandparents C. You and your siblings 4. The F 2 generation is analogous to A. Your parents B. Your grandparents C. You and your siblings

HOMEWORK v As someone who is more knowledgeable than each of you, I personally would suggest that you go home and review this material tonight… read the sections in the textbook! Be the change you wish to see in the world