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The XY sex-determination system is a sex-determination system used to classify many mammals, including humans, some insects ( Drosophila ), some snakes, some fish ( guppies ), and some plants ( Ginkgo tree). In this system, the sex of an individual usually is determined by a pair of sex chromosomes. Typically, females have two of the same kind ...
The XX/XY sex-determination system is the most familiar, as it is found in humans. The XX/XY system is found in most other mammals , as well as some insects. In this system, females have two of the same kind of sex chromosome (XX), while males have two distinct sex chromosomes (XY).
Tribadism is a common non-penetrative sexual act between women [11] [12] [19] [20] and is a form of frottage. It typically involves vulva-to-vulva contact or a woman rubbing her vulva against her partner's thigh, stomach, buttocks, arm, or other body parts. Often known by its "scissoring" position, this may be achieved in a number of sex ...
A woman is an adult female human. [a] [2] [3] Before adulthood, a woman is referred to as a girl (a female child or adolescent ). [4] Typically, women are of the female sex and inherit a pair of X chromosomes, one from each parent, and fertile women are capable of pregnancy and giving birth from puberty until menopause.
Women have the right to control matters involving their sexuality including their sexual and reproductive health. Violation of these rights include forced pregnancy, forced sterilization, forced abortion and genital mutilation. Female genital mutilation is the complete or partial removal of a female's external genitals.
Women who have sex with women ( WSW) are women who engage in sexual activities with women, whether they identify as straight, lesbian, bisexual, pansexual, have other sexualities, or dispense with sexual identification altogether. [1] The term WSW is often used in medical literature to describe such women as a group for clinical study, without ...
46,XX testicular disorder of sex development, also called XX male syndrome, is a condition in which individuals with two X chromosomes in each cell, the pattern normally found in females, have a male appearance. People with this disorder have male external genitalia.
In mammals, the vulva ( pl.: vulvas or vulvae) consists of the external female genitalia. For humans, it includes the mons pubis, labia majora, labia minora, clitoris, vestibule, urinary meatus, vaginal introitus, hymen, and openings of the vestibular glands. The vulva includes the entrance to the vagina, which leads to the uterus, and provides ...