Abnormalities Of Chromosomes Flashcards
Extra chromosome in pair 18
Trisomy 18
Edwards syndrome
Frequently infants die or are stillborn
Down Syndrome?
Extra chromosome in pair 21
Trisomy 21
Short lifespan, low fertility, and IQ
What is super-male?
2 Y chromosomes, 1 X
Lowered fertility
Is a male
Y-chromosome =aggression
Klinefelter’s Syndrome?
2 X-chromosomes, 1 Y-chromosome
Feminized male
Underdeveloped male reproductive organs
May develop breasts
Super Female?
3 X-chromosomes
Turners Syndrome
1 X-chromosome
XO
Female
Thick neck
Aneuploides?
Missing a chromosome or having an extra one
What is an Autosome?
Any of the chromosome pairs except the 23rd pair
Cri-du-chat
Missing piece of one chromosome in pair 5 (deletion)
Causes an infant to meow instead of cry