MENDELIAN GENETICS I

INTRODUCTION

glossary

MENDELIAN (MODERN): study of inheritance, patterns, pedigrees

MOLECULAR: activity of DNA, how genes work, protein synthesis, cell cycle

DIVERSITY- between/among species  VARIATION- within species

WHO WAS GREGOR MENDEL?
long version

-father of modern genetics           Austrian monk        mid 19th century

-studied inheritance in garden pea 
Pisum sativum

SEVEN CHARACTERS      two traits at each character

-true-breeding plants (parental generation) 

-monohybrid crosses to produce filial generations

- numerical ratios led to development of two laws of inheritance

-description of dominant and recessive factors

Mendel's laws

Law of segregration         Law of independent assortment

MAGIC SIX (in class)

PROBABILITY THEORY

-stated as value between zero (never happens) and one (always happens)
-all probabilities add to one
-must be mutually exclusive and include ALL possible events

The probability of two or more events happening together is the product of their individual probabilities.  AND means multiply

The probability that an event could happen in two or more independent ways is the sum of the separate probabilities.  OR means add

GAMES AND ACTIVITIES




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