chromosome abnormality

Question 1

turner’s

Answer 1

XO: missing X chromosome, 45 chromosomes. sterile female, short stature, webbed neck, no full breast development or menstrual cycles

Question 2

klinefelter

Answer 2

XXY: extra X chromosome, 47 chromosomes. sterile male, long appendages, enlarged breasts, reduced muscle tone

Question 3

down

Answer 3

trisomy 21: extra chromosome 21. short stature, flattened face, low muscle tone, eyes slanting upwards