Tag: chromosomes

Back-to-School: Genetics 101 Quiz Results

Okay students, pencils down! A week ago Friday we posted the second in a three-part series of educational courses for back-to-school season. The entries are now in. You can see how you did by comparing with the correct answers below. Also, a special congratulations goes out to Damien Marsic for being ...

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Genetics 101 Quiz Extended

Attention all students! We're extending the Genetics 101 quiz through Sunday, September 16th to give everyone plenty of time to brush up on their genetics and earn a chance to win a $25 Amazon gift card! If you already filled out the quiz and weren’t prompted to enter your name and email address (or you ...

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Back-to-School: Genetics 101

Our Hero Gregor Mendel, an Austrian monk and biologist, worked out the pattern of inheritance of various traits. He showed that a “dominant” trait is one that always shows up in offspring while a “recessive” trait is one that is masked by a dominant gene. Update: If you took this quiz before 10 a.m. PST on ...

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23andMe Discovers 24th Chromosome, Changes Name to 24andMe

MOUNTAIN VIEW, CA -- April 1, 2011 -- Something just wasn't right. For months, the scientists at the direct-to-consumer genetic testing company puzzled over anomalies in the customer data they were analyzing as part of their ongoing research efforts. None of the usual statistical or methodological ...

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How’d We Get 23?

It’s a question we’re getting used to: “Why are you called 23andMe?” Many of you know the answer by now: our name refers to the 23 pairs of chromosomes usually found in humans. But a question you may not know the answer to is “Why do humans have 23 pairs of chromosomes? Why not 13? Or 27?” Well, it ...

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