Nuclear DNA is present in the nucleus of eukaryotic cells. When working with the DNA samples, the best source of nuclear DNA is hair root that anchors the whole shaft of hair. Hair root possesses cells that are called as keratinocytes.
Answer:
the correct answer is the second option
The beneficiaries of the behavior are related to the individual performing it. Groups that differ in terms of altruistic and selfish genotypes have differential reproduction or survival.
<h3>What is Altruistic behavior ?</h3><h3 />
Altruism is the practise of acting in a way that benefits another person at the expense of oneself. Giving someone else your lunch, for instance, is altruistic since it satisfies their need while also leaving you hungry.
Nepotistic altruism, reciprocal altruism (or mutualism), group-based altruism, and moral altruism are the four categories of altruism.
- Along with cortical areas like the medial prefrontal cortex and the temporoparietal junction, the desire to act altruistically is linked to higher activity in limbic areas like the nucleus accumbens and anterior cingulate cortex.
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Answer:
Variola virus.
Explanation:
Smallpox is caused by a virus named as Variola virus.