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What do scientists study to learn more about early humans?
Scientists study fossils, ancient tools, and DNA to learn more about early humans. By comparing and analyzing these sources of evidence, scientists can piece together information about the behavior, lifestyle, and relationships of our ancestors.
Scientists learn the origins of ancient peoples by examining what?
Their DNA
What can scientist learn from mummies?
scientists take the DNA exactly how they do liike humans no diifference
How does analysis of DNA help scientists establish an evolutionary classification scheme?
Analysis of DNA helps scientists establish an evolutionary classification scheme by comparing the genetic sequences of different organisms. The more similar the DNA sequences are between two species, the more closely related they are believed to be. By studying the similarities and differences in DNA, scientists can determine how different species are related to one another and create a classification scheme based on their evolutionary relationships.
What led scientists accepting mendel idea?
Scientists discovered chromosomes in DNA
True or false the more closely related species arethe more similar their DNA sequences?
True. Generally, the more closely related species are, the more similar their DNA sequences tend to be due to shared ancestry. As species diverge over time, genetic mutations accumulate, leading to differences in their DNA. Therefore, examining DNA sequences can help scientists determine evolutionary relationships among species.
Which is not a reason that scientists use bacterial DNA rather than human DNA in biotechnology?
One reason why scientists may use bacterial DNA over human DNA in biotechnology is because bacterial DNA is often easier and cheaper to manipulate and study given its simpler structure compared to human DNA.
How can DNA help scientists make the classification of similar organisms such as giant pandas and red pandas more accurate?
It revealed that the panda is a bear rather than related to the raccoon.
How can foresice scientists use DNA in a crime?
Forensic scientists can use DNA in a crime by collecting DNA samples from the crime scene, comparing them to DNA samples from suspects to identify potential matches, and ultimately using DNA evidence to help establish the presence of a specific individual at the scene of the crime. DNA analysis can also be used to exclude suspects or link different crime scenes together based on DNA profiles.
Where can you learn more about DNA and RNA sequencing?
You can learn more about DNA and RNA sequencing from science articles, which are published on the internet and in science magazines. You can also inquire with someone specializing in the genetics or biochemistry field, such as a professor at a university.
Which scientists helped to determine the shape of DNA?
The scientists who helped determine the shape of DNA were James Watson and Francis Crick.
Why do scientists now use DNA to classify organisms rather than there features?
Scientists now use DNA to classify organisms because it provides more accurate and reliable information about the evolutionary relationships between different species. DNA analysis allows for a more precise classification based on genetic similarities, which can be more informative than physical characteristics. Additionally, DNA analysis is less subjective compared to evaluating external features, making it a more standardized approach to classification.
