Half Hen, Half Rooster ~ Hannah S.

Scientists have recently been studying whether a chicken is a male, or a female. For the chickens in this study, it’s hard to tell. In fact, they appear to be both. One half of each chicken has thicker legs, and bulging muscles, like a male, or a rooster. The other half has thinner legs, and darker feathers, like a female, or a hen. Most of the time, a chick will naturally grow up like this. Because of their sexual mix, these chickens give scientists a good way to study the process of how a living thing becomes male or female — or even parts of each. Scientists have long debated how sex is determined in animals. One question is what happens to individual cells. All the parts of an animal, including tissues, muscles and organs, are made of cells. Cells are the smallest independent parts of a living thing.

Discussion Questions:

If this can happen to chickens, Do you think it is possible for other organisms?

Have you come across any other interesting species?


~ by Student Entry on June 15, 2010.

One Response to “Half Hen, Half Rooster ~ Hannah S.”

  1. Wow! That’s kind of weird. I think frogs have that same kind of problem. i’m pretty sure that I’ve learned in the past that some frogs can change to the opposite gender! It’s really unusual…I don’t know how they do it.

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