Human Genetic Disorders and Blood Type

Front

What is a karyotype?

Back

A karyotype is a picture of all the chromosomes in a cell, used to identify genetic disorders.

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What does it mean to be heterozygous for a trait?

Back

Heterozygous means having two different alleles for a specific gene, one from each parent.

Front

What is the probability of having type O blood if both parents are heterozygous for type A blood?

Back

25%.

Front

What is Huntington's disease?

Back

Huntington's disease is a genetic disorder caused by a dominant allele, leading to progressive brain disorder.

Front

What is the probability of having a child with type B blood if one parent is heterozygous for type A and the other is homozygous for type B?

Back

50%.

Front

What is Hemophilia?

Back

Hemophilia is a genetic disorder inherited by a recessive allele found on the X chromosome, affecting blood clotting.

Front

What are the four main blood types?

Back

The four main blood types are A, B, AB, and O.

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What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present.

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What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when only one copy is present.

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What is Cystic Fibrosis?

Back

Cystic Fibrosis is a genetic disorder caused by a recessive allele, affecting the lungs and digestive system.