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Genetics review Quiz

Tierra- Autosomal Dominant Skyler - Automsomal Recessive

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Question 1/10

What is an Autosomal Dominant disease?

Disease on non-sex chrom. That needs 2 bad copies

Disease on X chrom. That needs 2 bad copies

Disease on non-sex chrom. That needs 1 bad copy

Disease on non-sex chrom. That needs 1 good and 1 bad copy

Right!

An Autosomal Dominant disease has to take place on a non-sex chrom, and only requires 1 dominant (D) allele from 1 parent

Next

Question 2/10

What's the likelihood that two parents with an Autosomal Dominant will have a child that's a carrier for it?

50% chance because the parents might be heterozygous

0% chance because the dominant allele will determine the child's phenotype if present

25% chance because the child has to inherit 2 dominant copies

75% chance because the child is most likely heterozygous meaning he/she is a carrier

RIGHT!

None will be a carrier because in Autosomal Dominant diseases/disorders if the dominant allele is present, then the disease is present

Next

Question 3/10

Name ALL of the Autosomal Dominant diseases mentioned in class.

HD, HI, OI

Rhett Syndrome, OI, FOP

HI, CF, Sickle Cell Anemia

Achondroplasia, Piebaldism, FOP, HD

Right!

Achondroplasia, Piebaldism, FOP, and HD are ALL Autosomal Dominant diseases

Next

Question 4/10

What's the likelihood that both parents will have a child without the autosomal disease?

0% chance the dominant allele take over in every variation

50% because it's more likely for the child to be a carrier

25% chance because the child will posses 2 recessive alleles

75% because the child has to have 2 dominant alleles to have the disease

RIGHT!

There's a 25% chance of a normal chid because that means the child will have 2 recessive alleles.

Next

Question 5/10

Identify the pedigree as either Autosomal Dominant or Autosomal Recessive.

Autosomal Dominant

Autosomal Recessive

Right!

The pedigree displayed an Autosomal Dominant inheritance.

Next

Question 6/10

What does it mean to have an Autosomal Recessive disease?

1 recessive allele has to be on the X chromosome

1 Dominant and 1 Recessive allele have to be present on non-sex chromosome

2 recessive alleles have to be on the X chromosome

2 recessive alleles have to be present on a non-sex chromosome

RIGHT!

In order to inherit an Autosomal Recessive disease 2 recessive alleles have to be present on a non-sex chromosome

Next

Question 7/10

What are 3 examples of an Autosomal Recessive disease?

HD, FOP, CF,

HI, Sickle Cell Anemia, CF

Trisomy 21, HD, Sickle Cell Anemia

OI, HD , CF

RIGHT!

HI, Sickle Cell Anemia, and Cystic Fibrosis are ALL examples of Autosomal l Recessive diseases.

Next

Question 8/10

True or False: It only takes on parent's recessive (A) (other parent is AA) for the offspring to receive the Autosomal Recessive trait.

True

Wrong answer

RIght!

False: a recessive allele has to be with another recessive allele in order to show in the phenotype.

Next

RIGHT!

There is a 25% chance of the child inheriting the trait.

Next

If one parent's genotype is homozygous (aa), and the other has heterozygous (Aa), what'll be the chance of the child getting a homozygous dominant trait (AA)?

Question 10/10

0%

25%

75%

50%

RIGHT!

The chance of the child receiving a homozygous dominant gene is 0%.

Next

Question 9/10

If both parentsheterozygous (Aa), what is the chance of their child receiving the Autosomal Recessive trait?

50%

75%

25%

0%

CONGRATS!

LYou all completed the Gentics Review Quiz over Autosomal Dominant and Autosomal Recessive Inheritance!!!!!!

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