Answers Fully Solved
Chromosomes are composed of DNA. – answer T
Genetic research and testing includes __________. - answer All of the above
Which of the following statements BEST describes chromosomes? - answer
Chromosomes carry the codes for hereditary traits.
Genes are segments of a chromosome that are responsible for specific hereditary traits.
– answer T
Amniocentesis is a test in which fluid is removed from the uterus so the baby's genetic
composition can be determined. – answer T
Complex diseases are caused by imperfections in multiple genes. – answer T
Gene testing is foolproof since it scans the building blocks of humans. – answer F
Gene therapy is a commonly used process whereby normal genes are injected to
replace abnormal genes. – answer T
Sickle cell anemia is most common in people of Northern European descent. – answer
F
Understanding and anticipating genetic disorders can help to manage hereditary
diseases. – answer T
Discuss the general causes of chromosomal diseases. - answer Chromosomal diseases
occur when an abnormality occurs. These could include either the wrong number of
chromosomes or an incomplete chromosome.
Complex genetic diseases are different from single-gene diseases because they
__________. - answer Are caused by mutations to multiple genes
Explain the causes and symptoms of sickle cell anemia. - answer Sickle cell anemia is
caused by the red blood cells' inability to properly form hemoglobin. The result is an
inability to transfer oxygen and blood throughout the body.