Question

the genetic identity of human males is known by the: a nucleolus b sex chromosomes c autosomes d cell organelles

Explanation:

Sex chromosomes determine genetic - based sex. Human males have XY sex - chromosome combination, differentiating them genetically from females (XX). Nucleolus is involved in ribosome synthesis, autosomes are non - sex chromosomes, and cell organelles have various functions not related to genetic sex identity.

Answer:

B. Sex chromosomes