chapter 14 chromosomes and human inheritance

Front

What is a pedigree?

Back

A diagrammed family history used to study inheritance patterns of a trait through several generations and to predict disorders in future offspring.

Front

What is hemophilia?

Back

A sex-linked hereditary disease in which clotting factors are missing from the blood.

Front

What can karyotypes detect?

Back

Missing or extra chromosomes.

Front

What can genetic screening determine?

Back

It can determine if a person has a specific genetic condition, if they can pass on genetic conditions to offspring, if they are vulnerable or resistant to certain viruses, and if they are likely to develop a genetic disorder later in life.

Front

What protein is abnormal in people with sickle-cell disease?

Back

Hemoglobin.

Front

What are autosomes?

Back

Chromosomes that are not sex chromosomes; they determine most of the body's traits.

Front

What is a carrier in genetics?

Back

An individual who has one copy of a recessive allele that does not manifest in their phenotype but can be passed to offspring.

Front

What is the role of chromosomes?

Back

They carry genetic information in the form of genes.

Front

What is a genetic disorder?

Back

A disease caused by abnormalities in an individual's DNA, often inherited.

Front

What is the significance of genetic counseling?

Back

It helps individuals understand their genetic risks and the implications for their health and family.