Why is a person who has klinefelter's syndrome (xxy) a male, even though he has two x chromosomes in his cells?

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.