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Biology Form 5Chapter 5 Inheritance5.1 Mendel's Experiment5.2 Inheritance of Traits in Human5.3 Genes and Chromosomes
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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