Heredity refers to the __________.A.removal of DNA from the human bodyB.formation of chromosomes from DNAC.many types of female genesD.passing of traits from parents to children
Cystic fibrosis is a disease that __________.A.causes all those infected to live only into their teen yearsB.makes it difficult to breatheC.can be cured with proper medicationD.occurs most frequently in people of Asian descent
Complex diseases are caused by imperfections in multiple genes.
Genes are segments of a chromosome that are responsible for specific hereditary traits.
Amniocentesis is a test in which fluid is removed from the uterus so the baby's genetic composition can be determined.
Dominant traits include __________.A.cleft chin and attached earlobesB.dimples and attached earlobesC.dimples and no widow's peakD.cleft chin and free earlobes
The normal function of a gene is to __________.A.encode a proteinB.prevent illnessC.mutate into other cellsD.determine personality
Gene therapy is a process whereby normal genes are injected to replace abnormal genes. Please select the best answer from the choices provided.
Sickle cell anemia is most common in people of Northern European descent.
Chromosomes are composed of DNA.
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Making Wise Personal-Safety Decisions