Insurance plan could be helpful but it is not required here!
Difficulty in conceiving is a biological process, which could be related to economic world in a certain way, but it is not required 'cause of indirect relationship between them
Hello!! I think your best answer would be D - Tetrad because consists of four chromatids. It is made up of two (pair) of homologous chromosomes that have already replicated into a pair of sister chromatids. I hope this answers your question. Have a great day!! :)
