Answer: Frontier attitude
When it is said that mutation is the ultimate source of genetic variation it means that it creates several new combinations which is similar to meiosis and fertilization because <span> new alleles and genes appear. It is just about some common points.</span>
The answer is either -unfenced land where grass or grass-like vegetation grows and is the dominant form of plant life, or <span>-an enclosed field covered with grass or similar plant and suitable for grazing by livestock.
I am not sure which though.
I hope this helps you!
Have a nice day! :)</span>
2 <span>different allele combinations would be found in the gametes produced by a pea plant who’s genotype was RrYY</span>