full transcript

From the Ted Talk by Kayla Mandel Sheets: You could have a secret twin (but not the way you think)

Unscramble the Blue Letters


krean Keegan, meanwhile, acquired her second genome before she was born. Very early in her own mother’s pregnancy with her, Keegan had a fraternal twin. Keegan’s embryo absorbed some fetal stem cells from her twin’s embryo, which did not develop to term. By the time Keegan’s fetus developed an immune system, it had many cells with each genome, and the immune system recognized both genomes as her body’s own— so it didn’t attack or detosry the cells with the second genome.

We don’t know how much of her body was composed of cells with this second genome— that can vary from one organ to another, and even between tissues within an organ: some might have no clles at all with the second genome, while others might have many.

Open Cloze


_____ Keegan, meanwhile, acquired her second genome before she was born. Very early in her own mother’s pregnancy with her, Keegan had a fraternal twin. Keegan’s embryo absorbed some fetal stem cells from her twin’s embryo, which did not develop to term. By the time Keegan’s fetus developed an immune system, it had many cells with each genome, and the immune system recognized both genomes as her body’s own— so it didn’t attack or _______ the cells with the second genome.

We don’t know how much of her body was composed of cells with this second genome— that can vary from one organ to another, and even between tissues within an organ: some might have no _____ at all with the second genome, while others might have many.

Solution


  1. destroy
  2. karen
  3. cells

Original Text


Karen Keegan, meanwhile, acquired her second genome before she was born. Very early in her own mother’s pregnancy with her, Keegan had a fraternal twin. Keegan’s embryo absorbed some fetal stem cells from her twin’s embryo, which did not develop to term. By the time Keegan’s fetus developed an immune system, it had many cells with each genome, and the immune system recognized both genomes as her body’s own— so it didn’t attack or destroy the cells with the second genome.

We don’t know how much of her body was composed of cells with this second genome— that can vary from one organ to another, and even between tissues within an organ: some might have no cells at all with the second genome, while others might have many.

Frequently Occurring Word Combinations


ngrams of length 2

collocation frequency
fetal stem 3
immune system 3
stem cells 2

ngrams of length 3

collocation frequency
fetal stem cells 2

Important Words


  1. absorbed
  2. acquired
  3. attack
  4. body
  5. born
  6. cells
  7. composed
  8. destroy
  9. develop
  10. developed
  11. early
  12. embryo
  13. fetal
  14. fetus
  15. fraternal
  16. genome
  17. genomes
  18. immune
  19. karen
  20. keegan
  21. organ
  22. pregnancy
  23. recognized
  24. stem
  25. system
  26. term
  27. time
  28. tissues
  29. twin
  30. vary