___ invented the in 1876, allowing instant communication over long distances
for the first time.
A. Alan Turing, computer
B. Johannes Gutenberg, printing press
C. Alexander Graham Bell, telephone
D. Steve Jobs, text message

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

i believe your answer would be c.. : )