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These cultures have easily observed characteristics, related to sex, that students can see without a microscope. Males have gray bodies and white eyes; females, yellow bodies and red eyes. Set includes 2 cultures, apterous and winged, with both genotypes being yellow forked attached and white. Each vial in this set contains approximately 2530 adult flies capable of producing more than 50 offspring over a span of 2 weeks, given proper care and environmental conditions. Note: Should not be shipped over a weekend. Carolina recommends that you request your order to arrive on a Wednesday, Thursday, or Friday (or even a Saturday) to avoid weekend shipping. Contact Carolina Customer Service for more delivery options.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.