Until more Oxygen accumulated in the atmosphere
Cogon grass is an invasive grass that is considered a pest in 73 countries and a weed of 35 crops worldwide. As a perennial grass weed, it is an inferior forage grass that negatively impacts biodiversity. It creates a very competitive environment for commercially-important species and <span>displaces native animal and plant species. Cogon grass can also alter fire regimes. </span>
The percentage that the off spring will be deaf is 75%. Two punnet squares are needed each for kkMm and Kkmm individuals. In punnet square 1, half of the genotypes are Km and km while half are Mm and kk in punnet square 2. The two punnet squares are then combined to form a final one where a quarter of the offspring are deaf.
As viruses cannot reproduce by themselves, they depend on the host cells that they infect to reproduce
