Biology for IGCSE & O level - Inheritance (Section 10 - No. 50)
What is the purpose of the testcross?
To determine if an individual is homozygous or heterozygous for a dominant trait.
To determine the sex of an individual.
To predict the phenotype of the offspring.
To identify the location of a gene on a chromosome.
Explanation
Testcrosses are used to determine the genotype of an individual expressing the dominant phenotype.
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