Question

explain about black cross and test cross​

Answer 1

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Answer 2

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Explanation:

Black cross or Black Cross may refer to: ... Black Cross (Germany), military emblem of Prussia and Germany, derived from the cross used by the Teutonic order. Anarchist Black Cross, an anarchist support organization. Black Cross Navigation and Trading Company, the successor of the Black Star Line.

A test cross is a way to explore the genotpye of an organism. Early use of the test cross was as an experimental mating test used to determine what alleles are present in the genotype. ... This means that the genotype of an organism with a dominant phenotype may be either homozygous or heterozygous for the dominant allele.

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