MS-LS3-2
Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.
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GeneticsDNA: Our ancient ancestors had lots more
Ancestral humans and their extinct relatives had much more DNA than do people today, a new study finds. It mapped genetic differences over time among 125 different human groups.
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Health & MedicineDo mosquitoes love you? Blame your parents
By studying twins, scientists found that how attractive we are to mosquitoes depends partly on our genes. That could lead to better bug repellents.
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LifeScientists Say: Parthenogenesis
When a baby frog develops from an egg that’s never been fertilized, we call that parthenogenesis.
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PlantsDesert plants: The ultimate survivors
Creosote, mesquite and other desert plants rely on different adaptations to thrive, even when no rain falls for an entire year.
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AgricultureLivestock: A need to save rare breeds
New studies and ongoing work highlight why society should save rare livestock breeds — and the part that technology can play.
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GeneticsNewfound DNA ‘enhancer’ behind many natural blonds
Some snippets of DNA other than genes play a role in giving some people of European a golden crown of hair.
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