Blood XX, skin XY

Grade level
Time
23 minutes
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Time
38 minutes
Start the lessonPrint the worksheetTeacher guide
Time
35 minutes
Start the lessonPrint the worksheetTeacher guide
Sources
  1. Strain and others, Nature Genetics, 1995 (free abstract)
  2. Yamazawa and others, Journal of Medical Genetics, 2010
  3. Masunaga and others, Clinical Epigenetics, 2021
  4. “Scientists: Boy came from egg that didn’t wait for sperm,” Tampa Bay Times, September 30, 1995
  5. MedlinePlus Genetics: 46,XX testicular difference of sex development, Klinefelter syndrome, Turner syndrome, genomic imprinting and uniparental disomy
  6. Vision and Change core concepts and competencies, as summarized in Brownell and others, CBE Life Sciences Education, 2014
  7. Word origins from Dictionary.com: chimera, chimaera, chimerical, genetic, chromosome, chromo-, chromatic, -some, ribosome
  8. Mark Cartwright, “Chimera of Arezzo,” World History Encyclopedia
  9. Spanish and French meanings from Wiktionary: quimera, chimère