The chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome is called Translocation.
D. <span>Only in the absence of dominant genes for the same trait.
Recessive genes are absent of something, so both genes have to be absent of that particular trait.</span>
Physical science deals with lens for cameras and binoculars.
Explanation:
Physical science is a branch of science that deals with the study of intimate natural objects such as it includes physics, astronomy and chemistry related subjects.
A lens is a transparent material that refracts light rays so that image can be formed. A lens has two curved surface which are made up of plastic or glasses which are concave and convex in nature. A converging lens is used to produce images.
Thus Nancy is dealing with physical science as she designs lens for binoculars and cameras.
It decomposes it and returns the nutrients to the ground.
