Mendel and Meiosis

Mendel and Meiosis

JEOPARDY

S2C06 Jeopardy Review

Four SquareFour Square VocabularyVocabularyIncomplete orIncomplete orCodominanceCodominance

Sweet 16Sweet 16All in the All in the

FamilyFamily

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Four Square100

A: All offspring will be heterozygous

S2C06 Jeopardy Review http://www.life.uiuc.edu/plantbio/102/lectures/08mit&veg102.html

What will the phenotype of the offspring bewhen crossing a homozygous dominant anda homozygous recessive?

Four Square200

A: 1 Homo/Dom; 2 Hetero; 1 Homo/Rec

What will the genotypic ratio in the offspring be if two heterozygous parents are crossed?

S2C06 Jeopardy Reviewhttp://www.life.uiuc.edu/plantbio/102/lectures/08mit&veg102.html

Four Square300

A: P: 50% tall/50% short

G: 50% Tt/50% ttS2C06 Jeopardy Reviewhttp://www.life.uiuc.edu/plantbio/102/lectures/08mit&veg102.html

Tall plants are dominant to short plants.Cross a hybrid tall with a homozygousshort. Show the phenotypes andgenotypes of the offspring.

Four Square400

A: P: all black

G: all hybrid

Black fur is dominant to white fur. Cross a white rat with a purebred black rat. List the phenotypes and genotypes of the offspring.

S2C06 Jeopardy Review http://www.life.uiuc.edu/plantbio/102/lectures/08mit&veg102.html

Four Square500

A: 1: Rule of Unit Factors 2: Rule of Dominance 3: Law of Segregation 4: Law of Indep. Assort.

Name all four of Mendel’s Laws

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Vocabulary100

A: P: pollen finding the female reproductive organ (stigma) F: sperm joins with egg

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What is the difference between pollination and fertilization.

Vocabulary 200

A: different forms of a single gene (protein for a purple flower or a protein for a white flower)

What is an allele?

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Vocabulary 300

A: Dominant: trait that shows up when present

Recessive: trait that only shows up when the dominant trait is not present

Explain the difference between dominant traits and recessive traits.

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Vocabulary 400

A: Pheno: the physical appearance of a trait Geno: the genetics that make up the trait

Explain the difference between phenotype and genotype.

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Vocabulary 500

A: Homo=same (two fo the same alleles for a traitHetero=different (two different alleles for a trait)

Explain the difference between homozygous and heterozygous.

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Define incomplete dominance and give an example.

Inc or Codom100

A: the phenotypes of the two homozygote parents are blended to produce the phenotype of the heterozygous offspringBlack chick + white chick = gray chick

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Inc or Codom200

A: the phenotypes of the two homozygote parents are displayed equally to produce the phenotype of the heterozygous offspringBlack chick + white chick = speckled chick

Define codominance and give an example.

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Inc or Codom300

A: Codominance

Is blood type incomplete or codominance?

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A black haired woman has children with a strawberry blond man. What are the possible pheno/genotypes of the offspring?

Inc or Codom400

A: Pheno: 50% blond/50% red

Geno: 50% HBdhbk/50%hRhbkS2C06 Jeopardy Review

Inc or Codom500

A: 50% IAi / 50% IBi

Cross a mother with type O blood with a father with type AB blood. What are the possible offspring?

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Sweet 16100

A: a Punnett square crossing two different traits

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What is a dihybrid cross?

Sweet 16200

A: 16:0 ALL will be heterozygous

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If you cross a parent that is homozygous dominant for both traits with a parent that is homozygous recessive for both traits, what is the genotypic ratio in the offspring?

Sweet 16300

A: P=all dominant / G: all hetero

If you cross a parent that is homozygous dominant for both traits with a parent that is homozygous recessive for both traits, what are the genotypes and phenotypes of the offspring?

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Sweet 16400

A: BT / Bt / bT / bt

List all the possible gametes for this parent -- BbTt

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Sweet 16500

A: 8 Black/Tall and 8 Black/short

Perform this cross and give me the phenotypic ratio of the offspring.

BbTt x BBtt

Black/Tall x Black/short

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All in the Family100

A: {See Teacher Board}

Draw this pedigree: Steve marries Keri and they have two girls. Steve’s parents passed away but Keri’s are divorced and both remarried.

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All in the Family200

A: she’s a carrier

Why is the woman in the center only half shaded?

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All in the Family300

A: Roman = generations

Arabic = individualsS2C06 Jeopardy Review

What do the roman numerals mean?The Arabic numbers?

All in the Family400

A: Recessive (two unaffected parents)

Does this pedigree show a dominant or a recessive trait? Why?

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All in the Family 500

A: x-linked (mainly males affected)

Does this show an autosomal or x-linked trait? Why?

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