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Battle of the Sexes!. #1. When do unspecified gonads develop in a fetus?. #2. Which ducts develop in females and degenerate in males?. #3. The SRY gene is on the Y chromosome, what does “SRY” stand for?. #4. Explain how it is possible for there to be a male with two X chromosomes. #5.

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#1

  • When do unspecified gonads develop in a fetus?


#2

  • Which ducts develop in females and degenerate in males?


#3

  • The SRY gene is on the Y chromosome, what does “SRY” stand for?


#4

  • Explain how it is possible for there to be a male with two X chromosomes.


#5

  • Which sex is homogametic in humans? In birds?


#6

  • What is androgen insensitivity syndrome and what is the phenotype of someone with this condition?


#7

  • What is the cause of a person being a “guevedoces”?


#8

  • Name 3 examples of sex-linked recessive diseases.


#9

  • If a female carrier for hemophilia marries a man with hemophilia and they have children, what percentage of their sons will not have hemophilia?


#10

  • Name two diseases inherited sex-linked dominantly.


#11

  • What is the genotype of

    III-10?


12 speed round
#12 – SPEED ROUND!!!

  • What is the official name of this test?


#13

  • What is the process called of turning off an X chromosome in a female?


#14

  • What is the name of the visible area of an inactivated X-chromosome, under a microscope?


#15

  • How is a sex-limited trait different from a sex-influenced trait?


#16

  • Give an example of a sex-limited trait


#17

  • Name any 2 regions (out of 3) on the Y-chromsome.


18 speed round
#18 SPEED ROUND!!!

  • What is added to DNA to turn off a gene sequence?


#19

  • What is the proper name for the “parent of origin” effect?


#20

  • Colin Farrell’s son has Angelman syndrome. From which parent was this inherited?


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