Answer:
D Tt and tt
Explanation:
In one punnet square you will have Tyler in the other three will be tt
Homologous pairs, Eg. X and Y
One pair in paternal and the other in maternal, obtained during Meiosis.
Answer;
Light microscope
Explanation;
-A light microscope is an instrument that uses visible light and magnifying lenses to examine small objects not visible to the naked eye, or in finer detail than the naked eye allows.
-Light microscopes use a single lens to magnify an object and cannot reach high magnification. Illuminator is the light source for a microscope, typically located in the base of the microscope.
The fibrous skeleton of the heart
functions in all of the ways listed in the option, except causing direct spread
of electrical impulses from the atria to the ventricles. The fibrous skeleton
in fact supports proper coordination of atrial and ventricular contractions by
blocking direct spread of electrical impulses from atria to ventricles.
