Types of Crosses Mendel Squares Definitions Movie Reviews 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50 Types of Crosses - 10 • Between parents that differ in traits for a single character Types of Crosses– 10 • Monohybrid Types of Crosses - 20 • Between parents that differ in traits for two characters Types of Crosses– 20 • Dihybrid cross Types of Crosses - 30 • Between an F1 genotype and one of the parentals Types of Crosses– 30 • Back cross Types of Crosses - 40 • Male and female parents are reversed in P generation Types of Crosses– 40 • Reciprocal cross Types of Crosses - 50 • Between an individual of unknown genotype and a homozygous recessive individual • Bonus 50- Why do we do this cross? Types of Crosses– 50 • Test cross Mendel - 10 • What plant did Mendel work with? Mendel – 10 • Peas Mendel - 20 • What are 3 advantage of Mendel’s organism? • Bonus: 10 points for each after 3 Mendel – 20 1.Easy to grow 2.Short lifespan 3.Discreet phenotypes 4.Many offspring 5.Can be outcrossed or selfed 6.True breeding Mendel - 30 • What are the three different generation names and what do they result from? Mendel – 30 • P • F1 • F2 Mendel - 40 • What was Mendel’s profession? • Bonus 10: What is his first name? Mendel – 40 • Austrian Monk • Bonus: Gregor Mendel - 50 • What was Mendel’s first law? • Bonus 20: Explain Mendel– 50 • The law of segregation • Each individual can have two alleles that encode different traits for one character; these alleles separate from one another when gametes are formed (this occurs during Anaphase I of meiosis). Squares - 10 • What are the genotypes of the F1 generation of a monohybrid cross of the following? • RRxrr Squares – 10 • All Rr Squares - 20 • What are the genotypes of the F1 generation of the following cross? • Rr x Rr Squares – 20 • ¼ RR • ½ Rr • ¼ rr Squares - 30 • In a test cross, the results are as follows. What is the genotype of the unknown parent? • ½ dominant phenotype • ½ recessive phenotype Squares – 30 • Heterozygous Squares - 40 • Why is it that some traits “skip” a generation? • Bonus 40: Draw punnent squares to illustrate your answer. Squares – 40 • RR x rr = all dominant phenotype • Rr x Rr = ¼ recessive phenotype Squares - 50 • An initial cross is made between a true breeding tall plant and a true breeding dwarf plant. • What are the genotypes and phenotypes of the F1 generation? • The F1 is selfed. • What are the genotypes and phenotypes of the F2 generation? Squares – 50 • F1 – all Tt – all Tall • F2 – ¼ TT, ½ Tt, ¼ tt – ¾ Tall, ¼ Dwarf Definitions - 10 • Character Definitions – 10 • refers to something like eye color; seed shape Definitions - 20 • Trait Definitions – 20 • how a particular character manifests itself; e.g., green or blue eye color; round or wrinkled seed shape Definitions - 30 • Allele Definitions – 30 • The section of DNA that causes a specific trait Definitions - 40 • Probability Definitions – 40 • likelihood of occurrence of a certain event Definitions - 50 • Meiosis • Bonus 30: Name the steps of meiosis in order Definitions – 50 • a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores. • Bonus: P1, M1, A1, T1, P2, M2, A2, T2 Movies - 10 • A movie in which an actor and actress, members of different social classes, fall in love aboard the ship during its ill-fated maiden voyage Movies. – 10 • Titanic Movies. - 20 • A character who aims to become immortal, conquer the wizarding world, subjugate nonmagical people, and destroy all those who stand in his way Movies. – 20 • Lord Voldemort Movies. - 30 • The story of a fearless princess who sets off on an epic journey alongside a rugged iceman, his loyal pet reindeer and a clueless, naive snowman to find her estranged sister Misc. – 30 • Frozen Movies. - 40 • What is this BBC TV show? Movies. – 40 • Sherlock Movies. - 50 • The story of a son who is to succeed his father as king; however, his uncle murders his father and the son is fooled into thinking he was responsible and flees into exile in shame and despair. Movies. – 50