Consider the following statements regarding the DNA-mediated gene transfer and choose the correct answer:
1. DNA fragments carrying the gene to be transferred are mixed with a carrier DNA
2. They are then precipitated out with a calcium phosphate buffer
3. The precipitate is used to transform target cells
4. The Ca-precipitated DNA enters the cell by exocytosis
A. Only 1, 2 and 4 are true
B. Only 3 and 4 are true
C. Only 2, 3 and 4 life true
D. Only 1, 2 and 3 are true
Answer: Option D
This Question Belongs to Biology GK Chapter Wise >> Gentics And Evoloution
Related Questions on Gentics and Evoloution
A piece of DNA molecule that can serve as a carrier for the gene to be cloned is called as a
A. Virus
B. Vector
C. DNA junk
D. Gene factor
A haploid organism contains only one set of chromosomes, and is said to be
A. Homozygous
B. Heterozygous
C. Hemizygous
D. Holozygous
Which of the following is the correct pair?
A. Darwin - Use and disuse of organs
B. de Vries - Mutation theory
C. Lamarck - Origin of life
D. Haldane - Law of heredity
Join The Discussion