Lethal mutations can be maintained in diploid organisms if they are

A. deletions.
B. recessive.
C. dominant.
D. None of the choices are correct.


Answer: B

Biology & Microbiology

You might also like to view...

You have a sequence of DNA with a site on which the restriction enzyme EcoRI will act. EcoRI recognizes the sequence below and cuts each strand at the locations indicated by the arrows

Below is your sequence of DNA. You cut it with EcoRI. What fragments are produced? 5'ATTCGCGGAATTCTGG3' 3'TAAGCGCCTTAAGACC5' A. 5'ATTCGCGG3' 5'AATTCTGG3' 3'TAAGCGCCTTAA5' 3'GACC5' B. 5'ATTCGCGGAATT3' 5'CTGG3' 3'TAAGCGCC5' 3'TTAAGACC5' C. 5'ATTCGCGG3' 5'AATTCTGG3' 3'TAAGCGCC5' 3'TTAAGACC5' D. 5'ATTCGCG3' 5'GAATTCTGG3' 3'TAAGCGCCTTAAG5' 3'ACC5' E. 5'ATTCGCGG3' 5'AATT3' 5'CTGG3' 3'TAAGCGCC5' 3'TTAA5' 3'GACC5'

Biology & Microbiology

Which of the following processes is unique to the retroviral information flow within a cell?

A) RNA ? protein B) protein ? DNA C) RNA ? DNA D) DNA ? RNA E) protein ? RNA

Biology & Microbiology

The formation of intranuclear inclusion bodies is associated with cytomegalovirus infection.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Nitrification and Agriculture

What will be an ideal response?

Biology & Microbiology