In rats, the dark fur allele (D) is dominant to white fur allele (d). Two dark rats have 50 offspring listed below. 38 dark rats 12 white rats Which of the following are the genotypes of the parents? ODD x DD DD x Dd O Dd x Dd Dd x dd

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the correct answer is: " ventricles " .

"recent advances in brain imaging have allowed clinicians to make scientifically useful comparisons in the relative size of the chambers in the brain that are filled with cerebrospinal fluid."

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these chambers are called ventricles .