Mendel & Heredity

Mendel & Heredity

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FINAL ROUND

Genotypes & Phenotypes

Punnett squares Terminology Odds & EndsMendel

Mendel:

$100 Question

Mendel is often known as the father of ____________.

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ANSWER

Mendel :

$100 Answer

Mendel is often known as the father of Genetics.

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Mendel :

$200 Question

Mendel chose to study what model organism?

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ANSWER

Mendel

$200 Answer

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Mendel :

$300 Question

Dominant alleles are represented by a______________ letter.

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ANSWER

Mendel :

$300 Answer

Dominant alleles are represented by a Capital letter.

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Mendel :

$400 Question

Recessive traits/alleles are always represented with a ____________ letter.

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ANSWER

Mendel :

$400 Answer

Recessive traits/alleles are always represented with a lower case letter.

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Mendel :

$500 Question

An individual that posses two of the same allele is considered to be:____________ for that trait.

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ANSWER

Mendel :

$500 Answer

An individual that posses two of the same allele is considered to be:Homozygous for that trait.

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Genotypes & Phenotypes:

$100 Question

What is a genotype?

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ANSWER

Genotypes & Phenotypes :

$100 Answer

A genotype is: the set of alleles that an individual has for a character, the types of genes.

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$200 Question

What is a phenotype?

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ANSWER


$200 Answer

A phenotype is: the physical appearance of a character.

*Hint: Think Ph for phenotype & physical

This is what an organism looks like.

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$300 Question

Given that: H=Hairy h=no hair

Write the genotype & phenotype of an individual that is homozygous dominant for the hair gene.

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ANSWER


$300 Answer

H=Hairy h=no hair

Write the genotype & phenotype of an individual that is homozygous dominant for the hair gene.

Genotype: HH

Phenotype: Hairy

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$400 Question

H=Hairy h=no hair

Write the genotype & phenotype of an individual that is heterozygous for the hair gene.

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ANSWER


$400 Answer

H=Hairy h=no hair

Write the genotype & phenotype of an individual that is heterozygous for the hair gene.

Genotype:Hh

Phenotype: Hairy

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$500 Question

H=Hairy h=no hair B=big feet b= normal feet

Write the genotype & phenotype of an individual that is heterozygous for both traits.

Think Dihybrid!

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ANSWER


$500 Answer

H=Hairy h=no hair B=big feet b= normal feet

Write the genotype & phenotype of an individual that is heterozygous for both traits.

Genotype:HhBb

Phenotype: Hairy & Big feet

Remember to keep the Hs and Bs together, capital goes first in each set (Big “B” before little “b”)

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Punnett Squares:

$100 Question

A cross that looks only at one trait is known as a __________, while a cross that looks at two traits is known as a __________ cross.

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ANSWER

Punnett Squares :

$100 Answer

A cross that looks only at one trait is known as a Monohybrid, while a cross that looks at two traits is known as a Dihybrid cross.

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Punnett Squares :

$200 Question

H=Hairy h=no hair

Complete a Punnett square for a cross between A homozygous dominant individual and a homozygous recessive individual.

Give the genotypic & phenotypic ratio of this cross

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ANSWER

Punnett Squares :

$200 Answer

H=Hairy h=no hair

Complete a Punnett square for a cross between A homozygous dominant individual and a homozygous recessive individual.

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H

Hhh

h

H

Hh Hh

Hh

Phenotypic Ratio: 100% Hairy individuals

Genotypic Ratio: 100% Hh

Punnett Squares :

$300 Question

H=Hairy h=no hair

Complete a Punnett square for a cross between A homozygous recessive individual and a heterozygous individual.

Give the genotypic & phenotypic ratio of this cross

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ANSWER

Punnett Squares :

$300 Answer

H=Hairy h=no hair

Complete a Punnett square for a cross between A homozygous recessive individual and a heterozygous individual.

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H

Hhh

h

h

Hh hh

hh

Phenotypic Ratio: 1:1 (Hairy : No Hair)

Genotypic Ratio: 1:1 (Hh:hh)

Punnett Squares :

$400 Question

In Bigfoots: H=Hairy h=no hair

B=Big Feet b= normal feet

Complete a Punnett square for a cross between an individual homozygous recessive for both traits and an individual heterozygous for both traits.

Give the Phenotypic Ratio

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ANSWER

Punnett Squares :

$400 Answer

Parental Genotypes: HhBb x hhbb

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HhBb Hhbb hhBb hhbb

HB

hb

Hb

hb

hb

hb

hbhB

Phenotypic Ratio: 1:1:1:1(Hairy/Bigfeet:Hairy/normal feet: no hair/big feet : no hair: normal feet)

Genotypic Ratio: 1:1:1:1 (HhBb:Hhbb:hhBb:hhbb)

Punnett Squares :

$500 Question

In Bigfoots: H=Hairy h=no hair

B=Big Feet b= normal feet

Complete a Punnett square for a cross between two individuals heterozygous for both traits.

1.Write the Parental Genotypes

2.Give the Phenotypic Ratio

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ANSWER

Punnett Squares :

$500 Answer

Parental Genotypes: HhBb x HhBb

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HHBB HHBb HhBB HhBb

HB

HB

Hb

Hb

hB

hb

hbhB

Phenotypic Ratio: 9:3:3:1(Hairy/Bigfeet:Hairy/normal feet: no hair/big feet : no hair: normal feet)

Genotypic Ratio: 4:2:2:2:2:1:1:1:1

HHBb HHbb HhBb Hhbb

HhBB HhBb hhBB hhBb

HhBb HhBb hhBb hhbb

Terminology:

$100 Question

A ________ is the diagram used to predict the outcomes of genetic crosses.

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ANSWER

Terminology:

$100 Answer

A Punnett Square is the diagram used to predict the outcomes of genetic crosses.

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Terminology:

$200 Question

A __________ is often prepared by geneticists, and represents a family history that shows how a trait is inherited.

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ANSWER

Terminology:

$200 Answer

A Pedigree is often prepared by geneticists, and represents a family history that shows how a trait is inherited.

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Terminology:

$300 Question

Mendel insured that all his parent plants were ____________individuals, that is the offspring would all display only one form of the character.

This term is the same as saying an individual is homozygous.

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ANSWER

Terminology:

$300 Answer

Mendel insured that all his parent plants were Pure/TRUE Breeding individuals, that is the offspring would all display only one form of the character.

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Terminology:

$400 Question

__________ is when more than two different alleles exist for a gene.

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ANSWER

Terminology:

$400 Answer

Multiple alleles is when more than two different alleles exist for a gene.

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Terminology: $500 Question

An individual heterozygous for a sex-linked trait is known as a ______________.

Only _________ can be this.

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ANSWER

Terminology: $500 Answer

An individual heterozygous for a sex-linked trait is known as a Carrier.

Only Females can be this.

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Odds & Ends:

$100 Question

A characteristic that appears in every generation of offspring is called a ____________ characteristic.

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ANSWER

Odds & Ends :

$100 Answer

A characteristic that appears in every generation of offspring is called a Dominant characteristic.

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Odds & Ends :

$200 Question

Crossing individuals and looking at two traits is known as a ___________ cross.

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ANSWER

Odds & Ends :

$200 Answer

Crossing individuals and looking at two traits is known as a Dihybrid cross.

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Note: You could also have used a capital “L”

Odds & Ends :

$300 Question

Crossing an individual with dominant phenotype, but an unknown genotype with a homozygous recessive individual is known as a _____ cross.

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ANSWER

Odds & Ends :

$300 Answer

Crossing an individual with dominant phenotype, but an unknown genotype with a homozygous recessive individual is known as a Test cross.

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Odds & Ends :

$400 Question

A gene or trait that is typically coded for on the “X” chromosome is known as a ______________ trait.

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ANSWER

Odds & Ends :

$400 Answer

A gene or trait that is typically coded for on the “X” chromosome is known as a sex-linked trait.

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Odds & Ends :

$500 Question

Describe how the inheritance of sex-linked, or X-linked traits is different in men & women.

For women who can the trait come from?

For men who can the trait come from?

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ANSWER

Odds & Ends :

$500 Answer

Describe how the inheritance of sex-linked, or X-linked traits is different in men & women.

For women who can the trait come from?

Can be inherited from mom or dad

For men who can the trait come from?

Can only be inherited from their mom because dad has to give them the “Y” chromosome.

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FINAL ROUND Question

What is the difference between incomplete dominance/intermediate inheritance and co-dominance?

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ANSWER

FINAL ROUND Answer

What is the difference between incomplete dominance/intermediate inheritance – is where there is a blending of traits (ex. Tall & short make medium, or red & white make pink.

co-dominance- is where both traits are expressed in the heterozygote (ex. Red & white make red & white spotted)

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Mendel & Heredity

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