Craving Sugar? Maybe It’s In Your Genes

craving sugar? maybe it's in your genes

The gene FGF21 provides the instructions for creating a hormone of the same name; it is linked with food regulation in rodents and nonhuman primates. This new insight suggests FGF21 might actually moderate some appetites in humans as well. Interestingly, the work also suggests that the liver, which secretes the FGF21 hormone and controls insulin resistance, could be playing a larger role in snack management because it produces this hormone and communicates with the brain. Continue reading “Craving Sugar? Maybe It’s In Your Genes” »

How do Genes Affect Child Development?

 

Nature vs. nurture has been an eternal debate between genetic predisposition to behaviors versus how parents, communities, or other key individuals shape a child’s upbringing. Genes don’t just play a role in determining appearance and behavior. They can also affect a child’s development.

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Bogota Twins Switched at Birth

Many mothers say the best day of their life is when their child was born. Mothers of twins get double doses of great memories. Those memories can quickly turn into terror when mistakes are made and children are sent home with the wrong parents. Sometimes the error isn’t realized until years later like in the case of two sets of twins from Bogota, Colombia. All four brothers were in for the shock of their lives when they each discovered that the twin he’d been raised with wasn’t biologically related to him. Continue reading “Bogota Twins Switched at Birth” »

Can a Baby Have a Different Eye Color Than Both of His or Her Parents?

Even though most individuals are taught rudimentary genetics in high school biology class, when it comes time for the real-world application of these lessons in real life, it can be tough to recall the fundamentals of genetics.

For instance, one inquiry we field sometimes when most people consult us about paternity DNA testing? “Is it possible for two blue eyed parents have a brown eyed baby?”

There is some confusion when it comes to this topic! Read on for the answer.

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