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InheritanceInheritance

Chpts 8 and 9Chpts 8 and 9

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Mitosis & Mitosis & MeiosisMeiosis

Mendelian Mendelian Genetics IGenetics I

Mendelian Mendelian Genetics IIGenetics II

Non-Non-Mendelian Mendelian GeneticsGenetics

Human Human InheritancInheritanc

e Ie I

Human Human InheritancInheritanc

e IIe II

200 200 200 200 200 200

400 400 400 400 400 400

600 600 600 600 600 600

800 800 800 800 800 800

1000 1000 1000 1000 1000 1000

Final

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FINAL JEOPARDYFINAL JEOPARDY

Category- Human Category- Human PedigreesPedigrees

The answer is….

Final JeopardyFinal Jeopardy

The inheritance The inheritance illustrated here is illustrated here is

______________________

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AnswersAnswers

Mitosis Mitosis and and

MeiosisMeiosis

Mendelian Mendelian Genetics IGenetics I

Mendelian Mendelian Genetics IIGenetics II

Non-Non-Mendelian Mendelian GeneticsGenetics

Human Human InheritancInheritanc

e Ie I

Human Human InheritancInheritanc

e IIe II

MitosisMitosis Test crossTest cross 1:2:1 and 3:11:2:1 and 3:1 Incomplete Incomplete DominanceDominance GameteGamete CarrierCarrier

MeiosisMeiosis Homologous Homologous chromosomeschromosomes 9:3:3:19:3:3:1 CodominanceCodominance AlleleAllele Linked genesLinked genes

TetradTetrad Law of Law of SegregationSegregation 1/41/4 PleiotropyPleiotropy PedigreePedigree Sex linkedSex linked

NondisjunctionNondisjunctionLaw of Law of

Independent Independent AssortmentAssortment

1/161/16 Polygenic Polygenic InheritanceInheritance EitherEither 1/41/4

Sister chromatidsSister chromatidsP, F1, F2P, F1, F2 True breeding or True breeding or

pure breedingpure breeding EpistasisEpistasis All heterozygous All heterozygous (Bb); all purple(Bb); all purple 0%0%

Final Jeopardy Answer- autosomal dominant

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Mitosis and MeiosisMitosis and Meiosis200200

Produces diploid daughter cells Produces diploid daughter cells genetically identical to parent genetically identical to parent

cellscellsback

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Mitosis and Meiosis Mitosis and Meiosis 400400

Produces haploid daughter cells Produces haploid daughter cells genetically different from parent genetically different from parent

cellscellsback

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Mitosis and Meiosis Mitosis and Meiosis 600600

Alignment of Alignment of homologous homologous

chromosomes chromosomes and their sister and their sister

chromatids chromatids during Prophase I during Prophase I

of Meiosis Iof Meiosis I

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Mitosis and Meiosis Mitosis and Meiosis 800800

Failure of Failure of homologous homologous

chromosomes or chromosomes or sister chromatids sister chromatids

to separate to separate during cell during cell

divisiondivision

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Daily Double

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Mitosis and Meiosis Mitosis and Meiosis 10001000

Are produced during the S phase Are produced during the S phase between cell divisionsbetween cell divisions

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Mendelian Genetics IMendelian Genetics I200200

A cross of an organism with A cross of an organism with unknown genotype and a unknown genotype and a

homozygous recessive organismhomozygous recessive organismback

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Mendelian Genetics I Mendelian Genetics I 400400

Chromosome pairs of the same Chromosome pairs of the same length containing similar genetic length containing similar genetic

information at the same lociinformation at the same lociback

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Mendelian Genetics I Mendelian Genetics I 600600

The principle stating that alleles The principle stating that alleles separate from one another during separate from one another during

meiosismeiosis

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Mendelian Genetics IMendelian Genetics I800800

The principle stating that an allele The principle stating that an allele for a trait may be passed on, for a trait may be passed on, independent of another allele independent of another allele

during meiosisduring meiosis

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Mendelian Genetics I Mendelian Genetics I 10001000

Mendel’s symbols for Parent Mendel’s symbols for Parent Generation, First Offspring Generation, First Offspring

Generation and Second Offspring Generation and Second Offspring GenerationGeneration

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Mendelian Genetics IIMendelian Genetics II200200

Expected phenotypic and genotypic Expected phenotypic and genotypic ratios of a monohybrid crossratios of a monohybrid cross

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Mendelian Genetics IIMendelian Genetics II400400

Expected phenotypic ratio Expected phenotypic ratio

of a dihybrid crossof a dihybrid cross

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Mendelian Genetics II Mendelian Genetics II 600600

A brown mouse is mated with a A brown mouse is mated with a white mouse. All of their offspring white mouse. All of their offspring are brown. If 2 of these offspring are brown. If 2 of these offspring are mated, what are mated, what fractionfraction of their of their

offspring will be white?offspring will be white?

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Mendelian Genetics II Mendelian Genetics II 800800

Two heterozygous tall purple flowers are Two heterozygous tall purple flowers are crossed. The probability that one of crossed. The probability that one of

their offspring will have white flowers their offspring will have white flowers is ¼. The probability that one of their is ¼. The probability that one of their offspring will be dwarf is ¼. What is offspring will be dwarf is ¼. What is

the probability that one of their the probability that one of their offspring will be dwarf with white offspring will be dwarf with white

flowers? flowers?

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Mendelian Genetics II Mendelian Genetics II 10001000

Term which describes organisms Term which describes organisms who pass on the same phenotype who pass on the same phenotype

to their offspringto their offspringback

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Non-Mendelian Non-Mendelian GeneticsGenetics200200

Produces a third phenotype which Produces a third phenotype which is a blend of the parents’ is a blend of the parents’

phenotypephenotypeback

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Non-Mendelian Non-Mendelian Genetics Genetics 400400An example would be ABO human An example would be ABO human

blood typesblood types

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Non-Mendelian Non-Mendelian Genetics Genetics 600600

A single gene influences multiple A single gene influences multiple phenotypic traitsphenotypic traits

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Daily Double

Non-Mendelian Non-Mendelian Genetics Genetics 800800

Multiple genes influence the Multiple genes influence the expression of a single phenotypeexpression of a single phenotype

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Non-Mendelian GeneticsNon-Mendelian Genetics 10001000

In our Labrador pup example, coat In our Labrador pup example, coat color expression is influence by a color expression is influence by a

third genethird gene

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Human Inheritance IHuman Inheritance I200200

Product of meiosisProduct of meiosis

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Human Inheritance I Human Inheritance I 400400

An alternate form of a gene; found An alternate form of a gene; found at the same loci on homologous at the same loci on homologous

chromosomeschromosomes

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Daily Daily DoublDoublee

Human Inheritance I Human Inheritance I 600600

Diagram showing Diagram showing the appearance the appearance of a phenotype of a phenotype

over many over many generations is generations is called _______called _______

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Human Inheritance I Human Inheritance I 800800

A young woman had a baby. Her A young woman had a baby. Her blood type is AB. Baby’s blood blood type is AB. Baby’s blood

type is A. There are two possible type is A. There are two possible fathers: Jim is type A, and Marvin fathers: Jim is type A, and Marvin

is type O. Which could be the is type O. Which could be the father?father?

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Human Inheritance I Human Inheritance I 10001000A Kansas wildcat comes in 3 colors: blue, red A Kansas wildcat comes in 3 colors: blue, red

and purple. A homozygous dominant and purple. A homozygous dominant individual is blue. A homozygous recessive individual is blue. A homozygous recessive

individual is red. And a heterozygous individual is red. And a heterozygous individual is purple. What would be the individual is purple. What would be the

genotypes and phenotypes of the offspring genotypes and phenotypes of the offspring if a blue cat is mated with a red one?if a blue cat is mated with a red one?

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Human Inheritance IIHuman Inheritance II200200

Person or organism that has Person or organism that has inherited a genetic mutation but inherited a genetic mutation but they themselves do not express they themselves do not express

the traitthe trait

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Human Inheritance II Human Inheritance II 400400

Genes that are usually inherited Genes that are usually inherited together due to their close together due to their close

proximity on a chromosomeproximity on a chromosome

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Human Inheritance II Human Inheritance II 600600

Genetic trait found on the sex Genetic trait found on the sex chromosome is described as chromosome is described as

______________

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Human Inheritance II Human Inheritance II 800800

A man and a woman with normal A man and a woman with normal vision have a color blind son. vision have a color blind son.

What is the probability their next What is the probability their next child will be a color blind son?child will be a color blind son?

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Human Inheritance II Human Inheritance II 10001000

In a cross between a white eyed In a cross between a white eyed female fly and a red eyed male, female fly and a red eyed male,

what percent of all female what percent of all female offspring will be white eyed? offspring will be white eyed?

(Eye color is X-linked recessive)(Eye color is X-linked recessive)

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