The Y chromosome does a bit more than just carry the SRY gene.
There is a condition where a father’s SRY gene gets transfered to the X chromosome of a sperm, resulting in a child who is XX and SRY positive. [0]
In all known cases, such men are infertile. Fertility treatment is the main source of diagnoses for this, as that is typically the only symptom.
[0] This is de la Chapelle syndrome, although that syndrome also covers an even rarer situation of an XX SRY-negative child developing as a male.
There is also Swyer syndrome where an XY individual develops as a female (typically due to a defact in SRY). Such individuals general do not go through natural puberty and require hormone therapy.
The Y chromosome does a bit more than just carry the SRY gene.
There is a condition where a father’s SRY gene gets transfered to the X chromosome of a sperm, resulting in a child who is XX and SRY positive. [0]
In all known cases, such men are infertile. Fertility treatment is the main source of diagnoses for this, as that is typically the only symptom.
[0] This is de la Chapelle syndrome, although that syndrome also covers an even rarer situation of an XX SRY-negative child developing as a male.
There is also Swyer syndrome where an XY individual develops as a female (typically due to a defact in SRY). Such individuals general do not go through natural puberty and require hormone therapy.