When two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations are much higher than the non-parental or recombinant type. This is also called incomplete linkage.

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Incomplete linkage. When two genes are on the same chromosome and mostly inherited together, but some recombinant types still occur due to crossing over, this is called incomplete linkage. Complete linkage would produce only parental combinations, while independent assortment would give equal mixing.

When two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations are much higher than the non-parental or recombinant type. This is also called incomplete linkage.

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