Answer:
Option (A).
Explanation:
Epigenetics may be defined as the study of the heritable phenotype changes that do not change the sequence of DNA. The gene activity or gene expression changes in epigenetics. Environment may also brings the changes in gene expression.
The change in phenotype of the individual must be inherited in epigenetic changes. The chromatin must be modified but the nucleotide sequence remains unaltered in epigenetic changes.
Thus, the correct answer is option (A).
Answer:
Holds the genetic makeup of the virus. it contains the instruction of what the virus should do and how it should do it and so on.
The information of dna is actually in the form of a code where the sequence Codons <span>ultimately in different three letter sequence
</span>
Answer:
C. 37 degree C
Explanation:
Micrococcus luteus is a pathogenic Bacteria and has similar features with Staphylococcus aureus. It usually found in the body in the respiratory tracts and cutaneous parts of the body. They rarely cause disease except if an individual has a weak immune system.
Due to the Bacteria thriving well in the body of humans, the optimal incubation rate is usually 37 degree C which is the same body temperature of humans and it aids the yellow pigmentation of the bacteria
Answer;
-Spinal cord may be affected
Explanation;
-If the caudal portion of the Neural tube failed to develop properly, the spinal cord may be affected.
-The neural tube is the embryonic structure that develops into the brain and spinal cord.
-Its defects arise from failure of embryonic neural tube closure by the fourth week of pregnancy, causing malformations of the brain and spine.
