Chromosomes are the homologous chromosomes that cross over
DNA fingerprint is a pattern of dark bands on photographic film that is made when DNA fragments are separated by gel electrophoresis and tagged. The photograph produced is often used to determine whether or not suspects were involved in a crime.
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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.
The appropriate response is Klinefelter. Klinefelter disorder is a chromosomal condition that influences male physical and psychological advancement. Its signs and side effects differ among influenced people. Klinefelter disorder influences 1 in 500 to 1,000 infant guys. Most variations of Klinefelter disorder are substantially rarer, happening in 1 in 50,000 or fewer infants.
