how many genders are there in english grammar
Gender in English Gender is no longer an inflectional category in Modern English.[9] The only traces of the Old English gender system are found in the system of pronoun–antecedent agreement, although this is now based on natural gender[10] – the sex, gender identity, or perceived sexual characteristics, of the pronoun's referent. Another manifestation of natural gender that continues to function in English is the use of certain nouns to refer specifically to persons or animals of a particular sex: widow/widower, actor/actress, etc.
Sex differences in humans Sex differences in humans have been studied in a variety of fields. In humans, biological sex is determined by five factors present at birth: the presence or absence of a Y chromosome, the type of gonads, the sex hormones, the internal reproductive anatomy (such as the uterus), and the external genitalia.[1] Genetic sex is determined solely by the presence or absence of a Y chromosome. A child's presumed sex is determined at birth by observation of the external genitalia.