View source for Sex Determination

==Key Stage 4==
===Meaning===
'''Sex determination''' is how the sex of a individual is decided by the [[chromosome]]s.

===About Sex Determination===
: In [[human]]s; [[female]]s have two [[X Chromosome]]s while [[male]]s have an [[X Chromosome]] and a [[Y Chromosome]].
: The probability of a [[male]] or a [[female]] being [[conception|conceived]] is 50%.
{| class="wikitable"
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|[[File:PunnetSquareXXXY.png|center|400px]]
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| style="height:20px; width:200px; text-align:center;" |This [[Punnett Square|punnett square]] shows the chances of having [[male]] or [[female]] [[offspring]].
|}

===References===
====AQA====

:[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Sex determination, page 211, GCSE Biology; Third Edition, Oxford University Press, AQA '']
:[https://www.amazon.co.uk/gp/product/1471851338/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851338&linkCode=as2&tag=nrjc-21&linkId=425855d5890466e47189e1c21b67a1ea ''Sex determination, pages 192-3, GCSE Biology, Hodder, AQA '']
:[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Sex determination, pages 40-1, GCSE Combined Science Trilogy 2, Hodder, AQA '']

====Edexcel====

:[https://www.amazon.co.uk/gp/product/1782946748/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946748&linkCode=as2&tag=nrjc-21&linkId=a4f0348fc37d0ba1bb52d27f8679581f ''Sex determination, page 39, GCSE Biology; The Revision Guide, CGP, Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782948120/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948120&linkCode=as2&tag=nrjc-21&linkId=dedef775c6a43dbb0a609441525adac0 ''Sex determination, pages 111, 112, GCSE Biology, CGP, Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Sex determination, pages 29, GCSE Combined Science; The Revision Guide, CGP, Edexcel '']

====OCR====
:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Sex determination, page 52, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']