Biology Chapter 27: Human Genetics

Vocabulary	Objectives
27:1  The Role of Chromosomes	page 566
aminocentesis X chromosome sex chromosome Y chromosome autosome	Compare the chromosome number in body cells and sex cells. Describe the method that doctors use to study chromosomes of a fetus. Compare the chromosomes of males and females.
27:2  Human Traits	page 572
incomplete dominance sickle-cell anemia color blindness	Compare recessive and dominant traits with incomplete dominannce. Describe the different ways human traits can be inherited Be able to complete Punnet Square for both traits exhibiting incomplete dominance and sex linked traits.
27:3  Genetic Disorders and Society	page 578
dyslexia genetic counseling pedigree	Describe some of the genetic disorders in humans. Give examples of how genetic counseling can help families.