Segundo pesquisadores da Newcastle University, www.sciencedaily.com especially men Boy Or Girl? It's In The Father's Genes -- ScienceDaily Boy or Girl? It's in the Father's Genes Segundo pesquisadores da Newcastle University, http://www.sciencedaily.com/releases/20 ... 121835.htm likelihood of a couple having a girl or a boy, Boy Or Girl? It’s In The Father’s Genes Boy or girl? It's in the father's genes -- ScienceDaily Science Daily Boy or Girl? It’s in the Father’s Genes Boy or Girl? It’s in the Father’s Genes Science Daily dating back to 1600 sciencedaily.com www.sciencedaily.com Boy Or Girl? It's In The Father's Genes -- ScienceDaily http://www.sciencedaily.com/releases/20 ... 121835.htm www.sciencedaily.com/releases/2008/12/081211121835.htm likelihood of a couple having a girl or a boy, Newcastle University study Science Daily and the media X chromosomes and some carries Y chromosomes Segundo pesquisadores da Newcastle University, studied 927 family trees Science Daily sciencedaily Boy or girl? It's in the father's genes -- ScienceDaily especially men