The importance of the menstrual cycle is to expel an unfertilized egg.
The menstrual cycle is termed as a natural change that occurs in the reproductive system of a female. To be specific in ovaries and uterus which makes pregnancy possible. This cycle is important for the production of oocytes of prepare uterus to hold a pregnancy, and it is being governed by hormonal changes. The menstrual cycle consists of three phases which are the follicular phase, ovulation, and luteal phase.
Explanation:
<em>Mitochondrial DNA typing</em><em> </em><em>-</em>
This method is mainly used by forensic scientist who investigate crime scenes.
It involves the use of DNA from an unknown sample to match a DNA collected from a crime scene.
This method is normally used in special scenarios.
These scenarios include:
1) When the DNA is discarded.
2) When the sample does not contain nuclear DNA.
From the description above we can now answer the question as follows:
an unknown nuclear mtDNA is matched to a nuclear mtDNA found at a crime scene.
The answer is <span>neurogenesis and hippocampus</span>
