Chapter 13 Unit 3 Flashcards
What is amniocentesis?
It is amniotic cells
What is Chorionic villi sampling?
Placental cells
What is Hemophilia?
It is Heterozygous x linked recessive
What is Cystic Fibrosis?
It is an autosomal recessive, homozygous recessive
What is autosomal recessive?
It is where there is no difference of chance of a female or male getting it.
What is Sickle Cell Anemia?
It is autosomal recessive. Heterozygotes are fairly normal. Homozygotes recessives are at high risk.
What is Huntington’s Disease?
It is autosomal dominant. Only needs one bad allele and it affects the person around ages 35 to 45. Therefore it continues because people pass it on to their children.
What is Hutchinson-Gilford Progeria?
It is not inherited.
What is nondisjunction?
Can create gametes having too many or too few chromosomes
When does nondisjunction occur?
During meiosis
What does nondisjunction gametes create?
Trisomic or monosomic individuals.
What is XXX?
It is triple x syndrome daughters
What is XXY?
Sons. Klinefelter syndrome
What is XO?
Daughter. Turner syndrome.
What is XYY?
It is sons. Jacobs syndrome.