Suppose that the genetic map distance from A to B is 8 map units, from B to C is 10 map units and from A to C is 2 map unit. A true-breeding wild type parent was crossed with a true breeding mutant parent. A three-point testcross has been performed using an F1 heterozygote, and 1000 progeny were obtained. How many of the test-cross progeny do you expect to be double crossover?
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Biology, 22.06.2019 06:30
Aplant may open end close its stomata to prevent excess water loss and maintain
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Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that
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Biology, 22.06.2019 09:10
Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10
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Suppose that the genetic map distance from A to B is 8 map units, from B to C is 10 map units and fr...
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