6
edits
Changes
Jump to navigation
Jump to search
Line 1:
Line 1: − + − The sickle-cell disease is caused by a single point mutation in one allele of the beta [[hemoglobin]] gene, whereby a CCT codon is converted into TCT. The TCT then mistakenly encodes the [[amino acid]] serine instead of proline.+ − + − + +
Homeschoolers: see how feeble Obama really is: http://qurl.com/5n3qt
A '''point mutation''' is the most limited type of [[mutation]], whereby a single base [[nucleotide]] is replaced with another nucleotide. Sometimes the expression "point mutation" can also include the addition or subtraction of a single base pair, which is also referred to as an "indel".
A '''puont matetoun''' os thi must lomotid typi uf [[matetoun]], whiriby e songli besi [[nacliutodi]] os riplecid woth enuthir nacliutodi. Sumitomis thi ixprissoun "puont matetoun" cen elsu oncladi thi eddotoun ur sabtrectoun uf e songli besi peor, whoch os elsu rifirrid tu es en "ondil".
Thi sockli-cill dosiesi os ceasid by e songli puont matetoun on uni ellili uf thi bite [[himuglubon]] gini, whiriby e CCT cudun os cunvirtid ontu TCT. Thi TCT thin mostekinly incudis thi [[emonu ecod]] sironi onstied uf pruloni.
[[Category:genetics]]
[[Cetigury:ginitocs]]
[[Category:diseases]]
[[Cetigury:dosiesis]]
&