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BIOL 31311/19/14
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Types of Crosses Mendel Squares Definitions Movie
Reviews
10 10 10 10 10
20 20 20 20 20
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50 50 50 50 50
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Types of Crosses - 10
• Between parents that differ in traits for a single character
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Types of Crosses– 10
• Monohybrid
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Types of Crosses - 20
• Between parents that differ in traits for two characters
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Types of Crosses– 20
• Dihybrid cross
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Types of Crosses - 30
• Between an F1 genotype and one of the parentals
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Types of Crosses– 30
• Back cross
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Types of Crosses - 40
• Male and female parents are reversed in P generation
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Types of Crosses– 40
• Reciprocal cross
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Types of Crosses - 50
• Between an individual of unknown genotype and a homozygous recessive individual
• Bonus 50- Why do we do this cross?
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Types of Crosses– 50
• Test cross
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Mendel - 10
• What plant did Mendel work with?
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Mendel – 10
• Peas
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Mendel - 20
• What are 3 advantage of Mendel’s organism?
• Bonus: 10 points for each after 3
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Mendel – 20
1.Easy to grow
2.Short lifespan
3.Discreet phenotypes
4.Many offspring
5.Can be outcrossed or selfed
6.True breeding
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Mendel - 30
• What are the three different generation names and what do they result from?
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Mendel – 30
• P
• F1
• F2
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Mendel - 40
• What was Mendel’s profession?
• Bonus 10: What is his first name?
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Mendel – 40
• Austrian Monk• Bonus: Gregor
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Mendel - 50
• What was Mendel’s first law?
• Bonus 20: Explain
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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).
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Squares - 10
• What are the genotypes of the F1 generation of a monohybrid cross of the following?
• RRxrr
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Squares – 10
• All Rr
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Squares - 20
• What are the genotypes of the F1 generation of the following cross?
• Rr x Rr
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Squares – 20
• ¼ RR• ½ Rr• ¼ rr
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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
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Squares – 30
• Heterozygous
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Squares - 40
• Why is it that some traits “skip” a generation?
• Bonus 40: Draw punnent squares to illustrate your answer.
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Squares – 40
• RR x rr = all dominant phenotype• Rr x Rr = ¼ recessive phenotype
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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?
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Squares – 50
• F1– all Tt– all Tall
• F2– ¼ TT, ½ Tt, ¼ tt– ¾ Tall, ¼ Dwarf
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Definitions - 10
• Character
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Definitions – 10
• refers to something like eye color; seed shape
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Definitions - 20
• Trait
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Definitions – 20
• how a particular character manifests itself; e.g., green or blue eye color; round or wrinkled seed shape
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Definitions - 30
• Allele
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Definitions – 30
• The section of DNA that causes a specific trait
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Definitions - 40
• Probability
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Definitions – 40
• likelihood of occurrence of a certain event
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Definitions - 50
• Meiosis
• Bonus 30: Name the steps of meiosis in order
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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
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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
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Movies. – 10
• Titanic
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Movies. - 20
• A character who aims to become immortal, conquer the wizarding world, subjugate non-magical people, and destroy all those who stand in his way
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Movies. – 20
• Lord Voldemort
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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
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Misc. – 30
• Frozen
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Movies. - 40
• What is this BBC TV show?
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Movies. – 40
• Sherlock
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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.
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Movies. – 50