Genetic Diseases for 8th grade Science

Front

What is Sickle Cell Anemia?

Back

A genetic disease that results in the production of abnormal hemoglobin, causing red blood cells to become rigid and sickle-shaped.

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What causes Down syndrome?

Back

Down syndrome is caused by the presence of an extra copy of chromosome 21.

Front

What is heredity?

Back

Heredity is the process of passing genetic information from parent to offspring.

Front

What is Hemophilia?

Back

A genetic disease caused by a deficiency in clotting factors, leading to prolonged bleeding.

Front

What is Cystic Fibrosis?

Back

A genetic disease characterized by the production of abnormally thick mucus that can clog the lungs and obstruct the pancreas.

Front

What is a genetic disorder?

Back

A genetic disorder is a disease caused by abnormalities in an individual's DNA.

Front

What is the role of chromosomes in genetics?

Back

Chromosomes are structures that carry genetic information in the form of genes.

Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for making a specific protein.

Front

What is the difference between dominant and recessive traits?

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Dominant traits are expressed when at least one dominant allele is present, while recessive traits are expressed only when two recessive alleles are present.

Front

What is a mutation?

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A mutation is a change in the DNA sequence that can lead to genetic disorders.