9700/12 Biology Oct Nov 2018 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
بهمن
2018
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Gama Admin Sickle cell anaemia is caused by a mutation in an allele of the gene that codes for the $\beta $-globin polypeptide of haemoglobin.
The diagram shows the sequence of bases in a small section of the coding strand of DNA for
both the $H{b^A}$ (normal) and $H{b^S}$ (sickle cell) $\beta $-globin alleles.
$H{b^A}{\text{ }}CTGACTCCTGAGGAGAAGTCT$
$H{b^S}{\text{ }}CTGACTCCTGTGGAGAAGTCT$
How will the mutation in the allele…
