d. The mutation will be expressed only if the individual has two copies of the recessive allele.
All three are bad for the environment because all three types release CO2 into the air and have throughout their constant usage helped with creating the greenhouse effect that traps heat and causes global warming. That's why clean energy is a necessity and people are developing harnessing wind and solar power.
<u>Behavior genetics</u> is a field that focuses on how variations in behavior and development in living organism, result from the interaction of genetic and physical environmental factors.
<h3>What is genetics?</h3>
Genetics can be defined as the scientific study of genes, heredity and the similarities or variations of traits (inherited characteristics) in living organisms such as humans, animals and plants.
<h3>The field of genetics.</h3>
Basically, genetics comprises various fields and these include the following:
<u>Behavior genetics</u> is a field that focuses on how variations in behavior and development in living organism, result from the interaction of genetic and physical environmental factors.
Read more on genetics here: brainly.com/question/1548948
To put it simply: Sandpaper
In the gradual speciation<span> model, species diverge slowly over time in small steps while in the punctuated equilibrium model, a new species diverges rapidly from the parent species. The two key influencing factors on the change in </span>speciation rate<span>are the environmental conditions and the population size.</span>
