# Sex Determination

> A person's sex is determined by their sex chromosomes (gonosomes). This section covers the difference between autosomes and sex chromosomes, how to tell male and female karyotypes apart, and a…

- Page: https://www.hlayiso.com/grade-12/life-sciences/notes/genetics-and-inheritance/sex-determination

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 12](https://www.hlayiso.com/grade-12) › [Life Sciences](https://www.hlayiso.com/grade-12/life-sciences) › [Notes](https://www.hlayiso.com/grade-12/life-sciences/notes) › [GENETICS AND INHERITANCE](https://www.hlayiso.com/grade-12/life-sciences/notes/genetics-and-inheritance) › [Sex Determination](https://www.hlayiso.com/grade-12/life-sciences/notes/genetics-and-inheritance/sex-determination)

## Full notes

This is a preview of the Sex Determination notes for Grade 12 Life Sciences. Create a free Hlayiso account to read the full notes, practise every question and track your progress.

## More in GENETICS AND INHERITANCE

- [Monohybrid Crosses](https://www.hlayiso.com/grade-12/life-sciences/notes/genetics-and-inheritance/monohybrid-crosses) — Previous section
- [Sex-Linked Inheritance](https://www.hlayiso.com/grade-12/life-sciences/notes/genetics-and-inheritance/sex-linked-inheritance) — Next section
- [All GENETICS AND INHERITANCE sections](https://www.hlayiso.com/grade-12/life-sciences/notes/genetics-and-inheritance)

## Frequently asked questions

### What will I learn in "Sex Determination"?

This section covers Sex Determination as part of GENETICS AND INHERITANCE in Grade 12 Life Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Sex Determination", are written against the official CAPS curriculum and ATP for Grade 12 Life Sciences.

### What should I study after "Sex Determination"?

Continue with the next section in GENETICS AND INHERITANCE, or test your understanding with the interactive quiz linked to this section.

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.
