A qui định tính trạng trội hoàn toàn so với a qui định cây thân thấp. Viết sơ đồ lai Xác định kiểu hình, kiểu gen của các phép lai sau:
a) AA phép lai aa
b) AA phép lai
c) aa phép lai aa
d) AA phép lai Aa
e) aa phép lai Aa
g) Aa phép lai Aa

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

What is the most appropriate method of gaining weight (muscle mass)