I think the answer to this is C
Answer:
Asparagine
Explanation:
Glycans are structures made up of chains of simple sugar molecules joined together by chemical bonds. N-linked glycosylation, is the attachment of an oligosaccharide, sometimes referred to as glycan, to the amide nitrogen the amino acid asparagine (Asn) residue of a protein, in a process called N-glycosylation. This linkage is most of the time important for the structure and function of the the protein they are linked to.
It would be generation 5 in which there will be almost 100% non-singing females if there are no changes in the birds’ environment and interactions
