Each cell must produce only a subset of the genes that are being expressed. This subset is what differentiates one cell from another. For example, cancer cells must be expressing one subset of genes when compared to normal cells. Photosynthetic cells in a leaf are expressing different genes from root cells. A 'Norther blot' is used for:.

The question is incomplete as it does not have the options which are:

A. detection of specific DNA sequences

B. determining the effects of arctic global warming

C. sequencing the individual amino acids of specific proteins.

D. detection of proteins using antibodies as in a home pregnancy test.

E. detection of specific RNA sequences

E. detection of specific RNA sequences

Explanation:

The blotting experiment is performed to identify the particular type of molecule in the solution by using the nylon sheet as a blot and then radioactive marker to identify the molecule. The molecules identified by the technique are the RNA, Proteins and DNA.

In the given question, the RNA molecules are formed when the gene is expressed therefore the blotting technique used to identify the different RNA molecules will be the Northern blotting.

Thus, Option-E is correct.

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.

tsd is temerature dependent sex determination.

tsd: it is a type of environmental sex determination in which the temperature experienced during embryonic/ larval development (ambient temperature for development) determine the sex of the offspring.

crocodile displays the tsd where the ambient temperature of the developing egg determines the individual's sex. for example in the american alligator's eggs, incubation at 33 ºc produces mostly males, while incubation at 30 ºc produces mostly females. so if the american alligator's egg will get the ambient temperature (33 degree celcius)during embryonic development from egg, the offspring will be male and same for the female sex determination.