Can XY females reproduce?

For reasons we don't understand, on very rare occasions, an XY female does have a uterus. But she still needs a donated egg, since she can't make one herself (no ovaries). There are a handful of cases where individuals with a Y chromosome, a uterus, and a donated egg have become pregnant and given birth to a child.

Takedown request   |   View complete answer on thetech.org

Can a woman with XY chromosomes have a child?

“Girls born with XY chromosomes are genetically boys but for a variety of reasons – mutations in genes that determine sexual development – the male characteristics are never expressed. They live their lives as girls and then women, and a few can even give birth.

Takedown request   |   View complete answer on novonordiskfonden.dk

Is it possible to be a female with XY?

Swyer syndrome is classified as a disorder of sex development (DSD), which encompasses any disorder in which chromosomal, gonadal or anatomic sex development is abnormal. Girls with Swyer syndrome have an XY chromosomal makeup (as boys normally do) instead of an XX chromosomal makeup (as girls normally do).

Takedown request   |   View complete answer on rarediseases.org

Can someone with XY chromosomes have a period?

46,XY pure gonadal dysgenesis (Swyer syndrome) is characterized by normal female genitalia at birth. It usually first becomes apparent in adolescence with delayed puberty and amenorrhea. Rarely, patients can present with spontaneous breast development and/or menstruation.

Takedown request   |   View complete answer on pubmed.ncbi.nlm.nih.gov

Can a female have XXY?

A few 47,XXY cases with a female phenotype have been reported. These individuals have positive SRY (testis-determining factor). The genetic explanation of this phenomenon is unclear. Case: A 34-year-old woman presented with testicular feminization and a 47,XXY karyotype.

Takedown request   |   View complete answer on pubmed.ncbi.nlm.nih.gov

Sex Inheritance (XX XY) - GCSE Biology | kayscience.com

43 related questions found

Does XXY mean intersex?

People who are male have XY chromosomes. People who are females have XX chromosomes. People who are intersex may have a mix of chromosomes, such as XXY. Or they may have some cells that are XY and some cells that are XX. Or they may have just one X chromosome (XO).

Takedown request   |   View complete answer on my.clevelandclinic.org

What are the 6 biological sexes?

There are at least six biological sexes that can result in fairly normal lifespans.”[1] Kennon then lists six karyotype variations in humans: XX, XY, X, XXY, XYY, and XXXY.

Takedown request   |   View complete answer on theparadoxinstitute.com

Does everyone start off as a girl?

During early development the gonads of the fetus remain undifferentiated; that is, all fetal genitalia are the same and are phenotypically female. After approximately 6 to 7 weeks of gestation, however, the expression of a gene on the Y chromosome induces changes that result in the development of the testes.

Takedown request   |   View complete answer on ncbi.nlm.nih.gov

Can intersex males get pregnant?

Some intersex people have both testes and ovaries. You may be able to get pregnant on your own, if you also have a uterus. However, if you have testes, they may be releasing more testosterone than would be optimal for conception and pregnancy.

Takedown request   |   View complete answer on ocfertility.com

Can you be intersex without knowing?

Some people live and die with intersex anatomy without anyone (including themselves) ever knowing. Which variations of sexual anatomy count as intersex? In practice, different people have different answers to that question. That's not surprising, because intersex isn't a discreet or natural category.

Takedown request   |   View complete answer on isna.org

What gender is Swyer syndrome?

In Swyer syndrome, individuals have one X chromosome and one Y chromosome in each cell, which is the pattern typically found in boys and men; however, they have female reproductive structures . People with Swyer syndrome have female external genitalia and some female internal reproductive structures.

Takedown request   |   View complete answer on medlineplus.gov

What gender is XXY?

Usually, a female baby has 2 X chromosomes (XX) and a male has 1 X and 1 Y (XY). But in Klinefelter syndrome, a boy is born with an extra copy of the X chromosome (XXY). The X chromosome is not a "female" chromosome and is present in everyone.

Takedown request   |   View complete answer on nhs.uk

Is the Y chromosome disappearing?

The human Y chromosome is degenerating and may disappear in a few million years. The sex of human and other mammal babies is decided by a male-determining gene on the Y chromosome.

Takedown request   |   View complete answer on thehindu.com

Can a baby have two Y chromosomes?

Boys typically have one X chromosome and one Y chromosome, or XY, but boys with XYY syndrome have an extra Y chromosome, or XYY. XYY syndrome is not caused by anything the parents did or did not do. The disorder is a random error in cell division.

Takedown request   |   View complete answer on kidshealth.org

What is an XY child?

One of those pairs are the chromosomes that determine the biological sex of a child – girls have an XX pair and boys have an XY pair, with very rare exceptions in certain disorders.

Takedown request   |   View complete answer on pfizer.com

Has a hermaphrodite ever had a baby?

Background: There are 11 reported cases of pregnancy in true hermaphrodites, but none with advanced genetic testing. All known fetuses have been male. Case: A true hermaphrodite with a spontaneous pregnancy prenatally known to have a remaining portion of a right ovotestis, delivered a male neonate.

Takedown request   |   View complete answer on pubmed.ncbi.nlm.nih.gov

Can a person be born genderless?

Gonadal dysgenesis, or absolute genderless; individuals born without functional sex glands.

Takedown request   |   View complete answer on en.wikipedia.org

Can a 70 year old man get a woman pregnant?

There's no maximum age that stops a man from being able to have a baby. You can become a father long into your older years, but there are risks.

Takedown request   |   View complete answer on webmd.com

What was the first gender in the world?

Genetics Suggest Modern Female Came First - ABC News.

Takedown request   |   View complete answer on abcnews.go.com

Why did I have a girl instead of a boy?

A man's X and a woman's X combine to become a girl, and a man's Y combines with a woman's X to become a boy. But if the sperm don't have equal Xs and Ys, or if other genetic factors are at play, it can affect the sex ratio.

Takedown request   |   View complete answer on utswmed.org

At what age a girl becomes a woman?

Different countries have different laws, but age 18 is frequently considered the age of majority (the age at which a person is legally considered an adult).

Takedown request   |   View complete answer on en.wikipedia.org

Is intersex a birth defect?

Intersex variations are not abnormal and should not be seen as 'birth defects'; they are natural biological variations and occur in up to 1.7 per cent of all births. Most people with intersex variations are not born with atypical genitalia, however this is common for certain intersex variations.

Takedown request   |   View complete answer on health.vic.gov.au

What species has 7 sexes?

Tetrahymena thermophila is a single cell covered with a coat of hairs called cilia. The cilia wave back and forth, powering it through the water. Its seven sexes are rather prosaically named I, II, III, IV, V, VI and VII.

Takedown request   |   View complete answer on newscientist.com

What has the most sexes in a species?

One species of fungi, Schizophyllum commune, really shines when it comes to gender diversity. The white, fan-shaped mushroom has more than 23,000 different sexual identities, a result of widespread differentiation in the genetic locations that govern its sexual behavior.

Takedown request   |   View complete answer on discovermagazine.com

Can intersex people have periods?

Some people are actually born with reproductive or sexual anatomy that doesn't fit traditional sex binaries of male and female. This is generally called 'intersex', and intersex people too may have periods.

Takedown request   |   View complete answer on citytosea.org.uk