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*Karyotypes

*Mutations

*Chromosomes & Sex

*Alleles

*Genetic Disorders

*Detection & Treatment

*$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500Chromosomes & sexGenetic DiseasesDetection & Treatment

*Number of chromosomes on a human karyotype

*What is 46 or 23 pairs?

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First 22 pairs of chromosomes

*What are autosomes?

*Last pair of chromosomes

*What are the sex chromosomes?

*Male sex chromosomes

*What is XY?

*Three 21st chromosomes

*What is trisomy or Downs syndrome?

*The result of a lethal mutation

*What is death?

*The loss of a piece of chromosome

*What is a deletion?

*Failure of chromosomes to separate in meiosis

*What is nondisjunction?

*Piece of a chromosome breaks off and attaches to another chromosme

*What is translocation?

*Mutations that occur in body cells

*What are somatic cell mutations?

*Number of X chromosomes in males

*What is one?

*Number of X chromosomes in a normal female

*What is two?

*Sex chromosome(s) in a person with Turner syndrome

*What is only an X (XO)?

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*A trait carried on a sex chromosome

*What is sex-linked?

*Scientist who studied sex-linked traits in fruitflies

*Who is Thomas Hunt Morgan?

*Used to represent the dominant form

*What is a capital letter?

*The number of alleles needed for a trait

*What is two?

*Alleles are the two forms of this

*What are genes?

*Allele that is only expressed in the homozygous condition

*What is the recessive allele?

*Mendel called alleles this

*What are factors?

*Prolonged bleeding due to a lack of clotting factor

*What is hemophilia?

*Disorder of red blood cells where they are C shaped

*What is sickle cell disease?

*Deterioration of brain tissue that starts at mid-life and causes death

*What is Huntingtons Disease?

*Disorder where mucus clogs the lungs and pancreas

*What is Cystic fibrous or CF?

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*Genetic disorder immediately screened for in newborns

*What is PKU?

*Doctors prescription for a newborn with PKU

*What is a strict diet?

*Taking amniotic fluid to test for genetic defects

*What is amniocentesis?

*Health professional who determines the genetic make up for couples

*Who is a genetic counselor?

*Picture of the chromosomes on an individual used in genetic studies

*What is a karyotype?

*The gene for this female disorder can be genetically determined before the disease results

*What is breast cancer?

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*Gene Mutations

*Whenever one nucleotide replaces another