Can A Male Have No Y Chromosome? About 1 in 20,000 men has no Y chromosome, instead having 2 Xs. This means that in the United States there are about 7,500 men without a Y chromosome. The equivalent situation – females who have XY instead of XX chromosomes – can occur for a variety of
What Is The Male Reproductive System Adapted For? The organs of the male reproductive system are specialized for three primary functions: To produce, maintain, transport, and nourish sperm (the male reproductive cells), and protective fluid ( semen ). To discharge sperm within the female reproductive tract. To produce and secrete male sex hormones. What are
How Long Is Spermatogensis Dogs? In canine, the process of spermatogenesis lasts approximately 60 days, and it is the time necessary for sper- matogonia to be released in the seminiferous tubules and produce sperm [36]. How long is spermatogenesis cycle? Spermatogenesis is a cyclic, complex, and highly organized process in which diploid spermatogonia differentiate into