Agenda Journal Entry Vocabulary Quiz Sex-Linked notes and Video Sex-Linked worksheet Genetic Disorder Gallery walk Launch

Journal Entry What blood type are you? Which blood types are you able to receive and who can you donate to?

Sex Determination People – 46 chromosomes or 23 pairs •22 pairs are homologous (look alike) – called autosomes – determine body traits 1 pair is the sex chromosomes – determines sex (male or female) •Females – sex chromosomes are homologous (look alike) – label XX Males – sex chromosomes are different – label XY

Sex-Linked Notes If a gene is found only on the X chromosome and not the Y chromosome if the gene is recessive, males only need 1 gene to show trait rather than 2 this is why males show trait more often Example: R/G Colorblind, male pattern baldness, hemophillia, Duchenne, Muscular Dystrophy Females sex genes are both XX, homozygous recessive

Video Genetics Disorders Gallery Walk You can use your own device to complete this assignment. The groups must split up the work according to topic and write the information on the Genetic Disorder you all assigned. You will only have 20 minutes to complete the research and fill it out on Chart paper so the other groups can record what you wrote for you groups’ assigned Genetic Disorder.

Launch: Puppies born through IVF can shed light on human genetic disorder

Autosomal or Sex Linked Dominant or Recessive Punnett Square Example Genetic Disorders Description Autosomal or Sex Linked Dominant or Recessive Punnett Square Example Effects Found on what chromosome/ gene Hemophilia Color blindness Sickle cell Cystic Fibrosis Print for students to do Gallery Walk