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Why scientist have long hair?

Some scientists may have long hair as a personal preference or due to cultural or societal norms. It is not a requirement for being a scientist. The length of one's hair does not affect their ability to conduct research or make scientific discoveries.


What is a medulla What do forensic scientists use this for?

The medulla is the central portion of a hair strand. Forensic scientists use the medulla for hair analysis and comparison, as the medulla's characteristics can help identify the species of origin and potentially differentiate between individuals.


Where can scientists get DNA from?

Scientists can obtain DNA from various sources such as blood samples, saliva, hair roots, skin cells, and tissue samples. These samples contain cells that can be used to extract and analyze DNA. Additionally, DNA can also be obtained from organisms such as bacteria, plants, and animals for research purposes.


How are scientists able to compare DNA from bones or teeth to that found in hairs on a hairbrush?

All DNA pairs of the human body are 100% identical, regardless of where the sample is taken from. Hair cells have the same DNA structure as skin cells, saliva, sperm, etc. Every humans DNA is unique, this allows scientists to identify who a specific sample belongs to.


Why do forensic scientists use microscopes?

Forensic scientists use microscopes to examine trace evidence such as hair, fiber, glass, or soil found at crime scenes. Microscopes help scientists identify and compare the physical characteristics of different samples to determine their origin and potentially link them to suspects or victims. This detailed analysis can provide valuable information in criminal investigations.