Are you talking about a fruit fly?
Because if we're simultaneously moving/manipulating two different variables it can be very hard to determine why one variable is changing and why the other is changing. While this can be done with more complicated experimental designs, it usually is the case that scientists will only manipulate one variable and not two different ones.
<span>An individual with the genotype ddeeffgg under goes self fertilization. Therewill be 81 different genotypes in the offspring of this cross</span>
<span>The terminal bronchioles subdivide into microscopic branches called respiratory bronchioles.
Bronchioles, one f the important part of our respiratory system. we inhale air an that air passes through the nose and mouth, it is drawn into trachea and then goes to main bronchus. Directing air to the alveoli, is the function of respiratory bronchioles.</span>
