joeygatto3037 joeygatto3037
  • 19-02-2024
  • Biology
contestada

Down syndrome has been linked to
a. a chemical imbalance.
b. a gene on the X chromosome.
c. possessing an extra X chromosome.
d. possessing an extra chromosome in chromosome 21.

Respuesta :

Otras preguntas

Select all that are terms of the algebraic expression 4a2b - 16ab2 + 32a2b2. 16a 4a2b -16ab2 4ab 32a2b2 32
Algebra nation section 8 topic 8 check your understanding
PLEASE HURRY! WILL GET BRAINLEST!!! Excerpt from The Little Lost Fox Robert Gordon Anderson Still, the world looked pretty nice from up there. It always looked
During febuary or march jack is spending 7 days in the Yukon observing endangered species.
ABCD is a square. BD = 21.21 in. Find the perimeter to the nearest whole number.
Find the missing side lengths.
Which vertex would form a right triangle on the coordinate plane, together with the endpoints of the segment shown? A) (6, 7) B) (7, 7) C) (0, 5) D) (−1, 5
What is the value of y in the equation 3y - 8 = 22?
describe the magnetic field around a current carrying wire
The relationship between humans and their bacteria can be described as