The cross between parent plants if one is heterozygous and has yellow-colored pods and the other is purebred and has green-colored pods is Yy×yy.
Heterozygous may be defined as the existence of two distinguishable alleles at a distinct gene locus.
In this condition, Yellow is dominant over green i.e. Y>y. Heterozygous means the existence of two distinguishable alleles at a distinct gene locus. So, the genotype of one parent is Yy, while the other parent is purebred and has green-colored pods. Hence, the genotype is yy.
Therefore, the cross between parent plants if one is heterozygous and has yellow-colored pods and the other is purebred and has green-colored pods is Yy×yy.
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