Describe IVF

• Ovulation stimulated by hormones at spec dose to cause follicles to develop simultaneously• Oocytes collected from female using tube inserted through vagina into oviducts - ultrasound used; semen collected and placed in nutrient solution• 100,000 sperm added to each oocyte on separate dishes/DNA injected into oocyte• 3 days later - examination for fertilisation; 2 implanted 

JC

Related Biology A Level answers

All answers ▸

What is the difference between hydrophillic and hydrophobic molecules?


Describe how oxygen in the air reaches capillaries surrounding alveoli in the lungs?


What is the difference between mRNA and pre-mRNA in a eukaryotic cell?


Explain how certain molecules or ions increase the activity of enzymes.