Answer:
Mitochondrial DNA.
Explanation:
Mitochondria is known as the power house of the cell and one of the important organelle responsible for the production of energy. Mitochondria contains its own DNA.
To understand the maternal ancestor history, the mitochondria DNA must be studied. The mitochondria is solely obtained from the mother as the egg contains large amount of cytoplasm that contains mitochondria. The mitochondria can never be inherited from paternal origin as the sperm contains few amount of cytoplasm and mitochondria.
Thus, the answer is mitochondrial DNA.
A trait that is visible is eye color
Answer:
Vegetative reproduction
Explanation:
<em>The type of reproduction described in the illustration is </em><u><em>vegetative reproduction.</em></u>
<u>Vegetative reproduction is a type of asexual reproduction during which a new organism grows from the fragments of the parent organism.</u> There are different methods of vegetative propagation in plants including stolons, bulbs, tubers, corms, etc.
The horizontal stems that give off plantlets that eventually grow to become a clone of the mother plant are the ones known as stolons.
<h3><u>Answer;</u></h3>
Germline mutation
<h3><u>Explanation;</u></h3>
- Mutations are sudden, random changes that occur spontaneously in the genetic make up of an organism. <em><u>Mutation are caused by various factors which includes errors in meiosis, and other factors such as chemical mutagens.</u></em>
- <em><u>Germline mutations are types of mutations that occurs in the germline cells, cells that give rise to gametes, sperm and ovum.</u></em>
- These types of mutations may be passed from the parents to the offspring, when a mutated sperm cells or ovum undergoes fertilization to form an ovum.