Biology, 02.11.2019 03:31 latezwardjr15
In a species of fish, a black spot on the dorsal fin is observed in males and females. a fish breeder carries out a pair of reciprocal crosses and observes the following results. cross i parents: black-spot male Ă— nonspotted female progeny: 22 black-spot males 24 black-spot females 25 nonspotted males 21 nonspotted females cross ii parents: nonspotted male Ă— black-spot female progeny: 45 black-spot males 53 nonspotted females
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In a species of fish, a black spot on the dorsal fin is observed in males and females. a fish breede...
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