The correct answer is option 4, that is, GCGATT.
Complementary strand refers to either of the two chains, which forms a double helix of DNA, with corresponding positions on the two chains comprising of a pair of complementary bases. It is a section of one nucleic acid, which is bonded to another by an alignment of base pairs.
In nature, complementarity refers to the base principle of DNA transcription and replication as it is a characteristic shared between the two RNA or DNA sequences, such that when they are arranged antiparallel to each other, the nucleotide bases at each position in the sequences will be complementary.
Biotechnology is the use of living organisms through modification to make products of technological or industrial significance.
positively, biotechnology can be used in manufacture of medicine and also synthetic forms of various hormones for use in the health and medical field.
negatively biotechnology may be manipulated for use in wars as biological warfare that can lead to loss of lives and environmental degradation
Their father is the correct answer
B. Antibodies produced by B cells