5090/11 Biology Oct Nov 2024 Quiz | Cambridge O-Level MCQ
Cambridge
O-Level
Biology (5090)
دی
2024
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Earlobes can either be attached to the cheek or be ‘free’ (unattached). This characteristic is controlled by a single gene.
The allele for attached earlobes is recessive.
The diagram shows the inheritance of attached earlobes in one family.
Which two individuals must be heterozygous for earlobe attachment?