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Tag: "maturity" at biology news

Newly recognized gene mutation may reduce seeds, resurrect plants

...ant surfaces may signal whether a seed develops to maturity or is aborted early due to a defective embryo. "This is interesting because in crop production a number of plants have a problem of reduced yield due to seed or fruit abortion," Jenks said. "It's thought that plants may abort some of their seeds, es...

Neanderthal teeth grew no faster than comparable modern humans'

...anderthal teeth took 15 percent less time to reach maturity than those in later Homo sapiens, suggesting to them that a Neanderthal childhood would be shorter than our own. But Guatelli-Steinberg's team wanted a broader comparison and therefore compared the teeth from Neanderthals to those of three modern p...

Caloric restriction won't dramatically extend life span in humans: UCLA research

...ing from his dissertation. A normal rodent reaches maturity at one month of age, and begins reproducing its body weight in offspring every month and a half. If humans shut off reproduction by severely limiting calories, "our reduction in wear and tear on the body is minimal," he said. The rodents placed on s...

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