Biology
During the metaphase and anaphse stages of cell division,each chromosome comprises of two unseparated replicas known as the

Tetrads
Chromatids
Plastids
Chiasmata

ANSWER DOWNLOAD EXAMIANS APP

Biology
A genus can best be defined as

A taxon comprised of classes
A taxon composed of families
A taxon composed of one or more species and a classification level lying below family
The most specific taxon

ANSWER DOWNLOAD EXAMIANS APP