genetic disorders / abnormalities in sex chromosome Flashcards
-is a condition that affects only women.
-Females with this syndrome have a genotype of only one X chromosome (X).
-They tend to be shorter than average and have broad chest with widely-spaced nipples, webbed neck, arms that turn outward at the elbows.
-incomplete reproductive organ, and mental retardation.
-Most of females with ________ have underdeveloped ovaries, causing a lack of periods and infertility
turner syndrome
__________ is a condition caused by an extra copy of the X chromosome in chromosome 23.
-Females with this syndrome have a genotype of XXX, so they are called ________.
- Most of them have abnormally shaped chest wall and ribcage, curved pinky finger, underdeveloped ovaries, and mental retardation.
Triple X syndrome / super females
____________ is where boys and men are born with an extra copy of the X chromosome.
-Males with ____________ have a genotype of XXY.
They are still genetically males but tall and have feminine body shape, long body hair, small testicles, enlarged breast, infertility, and delayed intellectual and mental developments.
Klinefelter syndrome
condition caused by an extra copy of the Y chromosome is double Y syndrome.
-Males with this syndrome are called ______ because of their genotype of XYY.
-Some of them may be taller than average and have an emotional disorder, impulsivity, large penis and testicles with normal fertility.
super men