A dihybrid cross means that both parents are heterozygous (which is both expressing the dominant form) for two genes.
The independent variable is the plant growth or how much the plants grow.
Answer:
It encourages the growth of a group of certain bacteria while inhibiting the growth of others. It contains a high concentration (~7.5%-10%) of salt (NaCl), making it selective for gram positive bacteria Staphylococci (and Micrococcaceae) since this level of NaCl is inhibitory to most other bacteria.
Explanation:
