Answer:
D
Explanation:
I took the test and got it correct
A cotyledon is a significant part of the embryo within the seed of a plant. Upon germination, the cotyledon usually becomes the embryonic first leaves of a seedling.
Explanation:
The cause of DNA mutations is exposure to radiation from the sun and the effects of the DNA mutations are harmful mutations cause genetic disorder or cancer, changes gene's instruction for
making protein causing malfunction.