Category 1

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Category 2

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Category 3

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Category 4

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Category 5

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Category 1 questions follow

Questio

nWork punnet squares which involve incomplete

dominance.

A. Cross white with black and the F1 ratio

hybrid would be____________

B. The F2 generation would be

10Category 1

Answ

er

Work punnet squares which involve

incomplete dominance.

A. Cross white with black and the F1 ratio hybrid

would be__100_%_GRAY_

B. The F2 generation would be 25% Black, 25 %

white, 50% Gray

Remember- If a dominant allele is present, it only

takes 1 to show up!

10Category 1

Questio

nA trait is called ________________when it is

determined by more than 2 alleles

20Category 1

Answ

er

A trait is called ________________when it is

determined by more than 2 alleles

a. Multiple alleles

20Category 1

Questio

nHumans have 22 pairs of chromosomes called ____________

and one pair called ________________

30Category 1

Answ

er

Humans have 22 pairs of chromosomes called

__Autosomes_ and one pair called __sex chromosomes

30Category 1

Questio

nWhat is the relationship

between I-1 and II- 2?

How can you ID if the

disease is sex-linked

What are the chances of

II-4 and 5 of having a child

with the disease?

40Category 1

Answ

er

What is the relationship between I-1 and

II- 2?

Father-son

How can you ID if the disease is sex-

linked

More males than females have disease

What are the chances of II-4 and 5 of

having a child with the disease?

*25 % but 1 out of 5 real time

40Category 1

Questio

nWhich is correct?

a. color-blindness is from polygenic inheritance

b. Eye color is polygenic inheritance

c. Hemophilia is a multiple allelic trait

d. Blood typing is a polygenic trait

50Category 1

Answ

er

Which is correct?

a. color-blindness is a polygenic sex-linked trait

b. Eye color is polygenic inheritance

c. Hemophilia is a multiple allelic sex-linked trait

d. Blood typing is a polygenic multiple allelic trait

50Category 1

Category 2 questions follow

Questio

nA child is diagnosed with a disease which neither

parent has. What is the probable source of the

disease?

a. It is a recessive disease and both parents are

carriers for the trait

b. It is a dominant disease and both parents are

carriers for the trait

10Category 2

Answ

er

A child is diagnosed with a disease which neither

parent has. What is the probable source of the

disease?

a. It is a recessive disease and both parents are

carriers for the trait

b. It is a dominant disease and both parents are

carriers for the trait

10Category 2

Questio

nWhich is not matched correctly?

a. CF (cystic fibrosis)- recessive disease

b. PKU- recessive trait

c. Sickle-cell anemia- recessive

d. Hemophilia- -recessive trait

e. Red-Green Color blindness- sex-linked trait & recessive

f. Huntington’s disease- dominant disease

20

Answ

er

Which is not matched correctly?

a. CF (cystic fibrosis)- recessive disease

b. Sickle-cell anemia- recessive

c. PKU- recessive trait

d. Huntington’s disease- dominant disease

e. Red-Green Color blindness- sex-linked trait & recessive

f. Hemophilia- -recessive trait- sex-linked

Most genetic diseases are Recessive

20Category 2

Questio

nWhy are most dominant genetic diseases caused by

mutations?

30Category 2

Answ

er

Why are most dominant genetic diseases caused by

mutations?

Victims do not survive to have children unless the

disease appears at older age.

30Category 2

Questio

nThis graph indicates multiple

allelic frequencies such as blood

type

a. True

b. false

40Category 2

Answ

er

This graph indicates multiple allelic

frequencies such as CF

a. True

b. False- It does show multiple

allelic, but like height.( CF is

recessive, not multiple allelic.)

40Category 2

Questio

nThe disease that is caused the build up of phenylketonuria

in infants as a result of the failure to metabolize the amino

acid phenolanaline and can cause mental retardation if a

specific diet is not followed is

a. Tay Sachs

b. CF

c. PKU

50Category 2

Answ

er

The disease that is caused the build up of

phenylketonuria in infants as a result of the failure to

metabolize the amino acid phenolanaline and can cause

mental retardation if a specific diet is not followed is

a. Tay Sachs

b. CF

c. PKU

50Category 2

Category 3 questions follow

Questio

nWhy is Karyotyping only used to identify genetic diseases

caused by nondisjunction, like Trisomy 21 (Down’s

Syndrome)?

10Category 3

Answ

er

Why is Karyotyping only used to identify genetic

diseases caused by nondisjunction, like Trisomy 21

(Down’s Syndrome)?

Karyotyping only allows you to count the number of

chromosomes, not identify the genes.

10Category 3

Questio

nA heterozygous blood type A female marries a

man that is homozygous B blood type.

What possible blood types will their children

have?

20Category 3

Answ

er

A heterozygous blood type A

(AO) female marries a man

that is homozygous B (BB)

blood type.

What possible blood types

will their children have?

AB, BO

20Category 3

A O

B AB BO

B AB BO

Questio

nMatch the following

PKU CF Huntingtons hemophilia

a. Has problems breathing because of mucous buildup

b. A degenerative nerve disorder

c. Blood will not clot & needs transfusions

d. Child not affected at birth because mothers enzymes

control the disease

30Category 3

Answ

er

a. CF- Has problems breathing because of mucous

buildup

b. Huntingtons- A degenerative nerve disorder

c. Hemophilia- Blood will not clot & needs transfusions

d. PKU- Child not affected at birth because mothers

enzymes control the disease

30Category 3

Questio

nWhich is NOT true about Sickle Cell Anemia?

a. Carriers have some protection against Malaria

b. It is more common in areas where Malaria is

present (African and Mediterranean.

c. Victims suffer tissue damage from oxygen

deprivation

d. It is characterized by round red blood cells

40Category 3

Answ

er

Which is NOT true about Sickle Cell Anemia?

a. Carriers have some protection against Malaria

b. It is more common in areas where Malaria is present

(African and Mediterranean.

c. Victims suffer tissue damage from oxygen deprivation

d. It is characterized by round- sickle shaped red blood

cells

40Category 3

Questio

nWhat type of red blood cell is

indicated?

a. A

b. B

c. AB

d. O

50Category 3

Answ

er

What type of red blood cell is indicated?

a. A

b. B

c. AB

d. O

50Category 3

Category 4 questions follow

Questio

nA pedigree indicates how a trait is passed through the

family. Which is a pedigree?

10Category 4

Answ

er

A pedigree indicates how a trait is passed

through the family. Which is a pedigree?

The left is a pedigree, the right is a karyotype

10Category 4

Questio

nTraits controlled by 2 or more genes are

a. Multiple allelic

b. polygenic

20Category 4

Answ

er

Traits controlled by 2 or more genes are

a. Multiple allelic

b. polygenic

20Category 4

Questio

nIf a trait is intermediate (not dominant or recessive)

and they hybrid it a blending of the traits, it is said to

be

a. Co-codominanat

b. Incomplete dominance

30Category 4

Answ

er

If a trait is intermediate (not dominant or recessive)

and they hybrid it a blending of the traits, it is said to

be

a. Co-codominanat

b. Incomplete dominance

30Category 4

Questio

nHow is polygeneic inheritance different from Mendelian?

40Category 4

Answ

er

In Mendelian inheritance there is only dominant and

recessive alleles for a single gene. In polygenic, there

are 2 or more genes that control the trait.

40Category 4

Questio

nHow can the environment affect gene function?

50Category 4

Answ

er

How can the environment affect gene function.

a. Environmental factors may trigger the traits to

show up.

Ex. Smoking/cancer, Temperature/colors, Etc.

50Category 4

Category 5 questions follow

Questio

nhospital mix-up

Match the babies to the parents

a. Couple with blood types A X B

b. Couple with A X O

c. Couple AB X O

Baby 1 has type 0

Baby 2 has type AB

Baby 3 has type BO

10Category 5

Answ

er

hospital mix-up

Match the babies to the parents

a. Couple with blood types A X B= Baby 3 AB

b. Couple with A X O- Baby 1 = 0

c. Couple AB X O- Baby 3 has type BO

10Category 5

Questio

nWhat is this used for?

20Category 5

Answ

er

What is this used for?

It is a karytype and used to determine if

the baby has the correct number of

chromosomes

20Category 5

Questio

nWhen/what is amniocentesis?

30Category 5

Answ

er

When/what is amniocentesis?

a. It is when fluid is taken from the amniotic sac and the

babies cells are tested using a karyotype to determine

if the chromosome number is correct. It is more

commonly given to women who are over 35.

30Category 5

Questio

nWhat is the function of a genetic counselor?

40Category 5

Answ

er

What is the function of a genetic counselor?

a. To give parents an indication of their chance of

passing own genes to their offspring.

40Category 5

Questio

nWhy is inbreeding a problem in all animal populations?

50Category 5

Answ

er

Why is inbreeding a problem in all animal populations?

a. It increases the risk of recessive diseases being

passed to offspring.

50Category 5