Asap! !
down syndrome is a genetic disorder that is also called trisomy 21. a person with down syndrome has an extra copy of chromosome 21. what can you infer is most likely the genetic mutation that results in down syndrome?

a. nondisjunction during meiosis
b. complete duplication of chromosomes during polyploidy
c. translocation during genetic replication
d. crossing over during meiosis

I believe your answer would be C

Explanation:

B

Explanation:

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem