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Genetics review Quiz

Tierra- Autosomal Dominant Skyler - Automsomal Recessive

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

Disease on X chrom. That needs 2 bad copies

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

What is an Autosomal Dominant disease?

Question 1/10

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

Next

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

Right!

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

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

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

Question 2/10

50% chance because the parents might be heterozygous

Next

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

RIGHT!

Achondroplasia, Piebaldism, FOP, HD

Rhett Syndrome, OI, FOP

HI, CF, Sickle Cell Anemia

Name ALL of the Autosomal Dominant diseases mentioned in class.

Question 3/10

HD, HI, OI

Next

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

Right!

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

0% chance the dominant allele take over in every variation

25% chance because the child will posses 2 recessive alleles

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

Question 4/10

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

Next

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

RIGHT!

Autosomal Recessive

Identify the pedigree as either Autosomal Dominant or Autosomal Recessive.

Question 5/10

Autosomal Dominant

Next

The pedigree displayed an Autosomal Dominant inheritance.

Right!

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

What does it mean to have an Autosomal Recessive disease?

Question 6/10

1 recessive allele has to be on the X chromosome

Next

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

RIGHT!

OI, HD , CF

HI, Sickle Cell Anemia, CF

Trisomy 21, HD, Sickle Cell Anemia

What are 3 examples of an Autosomal Recessive disease?

Question 7/10

HD, FOP, CF,

Next

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

RIGHT!

Wrong answer

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

Question 8/10

True

Next

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

RIght!

Next

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

RIGHT!

50%

25%

75%

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%

Next

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

RIGHT!

0%

75%

25%

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

Question 9/10

50%

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