In the Punnett square below what would be the genotype for the organism represented by box 2? 1.) bbss
2.) BbSs
3.) bbSs
4.)Bbss

bbss

Explanation:

mitochondria is the powerhouse of a cell

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.