dihybrid

American  

[dahy-hahy-brid] / daɪˈhaɪ brɪd /

noun

1. the offspring of parents differing in two specific pairs of genes.

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adjective

1. of or relating to such an offspring.

dihybrid British  

/ daɪˈhaɪbrɪd /

noun

1. genetics the offspring of two individuals that differ with respect to two pairs of genes; an individual heterozygous for two pairs of genes

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Other Word Forms

• dihybridism noun

Etymology

Origin of dihybrid

First recorded in 1905–10; di- ¹ + hybrid

Example Sentences

Figure 12.19 This figure shows all possible combinations of offspring resulting from a dihybrid cross of pea plants that are heterozygous for the tall/dwarf and inflated/constricted alleles.

From Textbooks • Jun. 9, 2022

Because of independent assortment and dominance, the 9:3:3:1 dihybrid phenotypic ratio can be collapsed into two 3:1 ratios, characteristic of any monohybrid cross that follows a dominant and recessive pattern.

From Textbooks • Jun. 9, 2022

This law can be demonstrated in a dihybrid cross involving two different traits located on different chromosomes.

From Textbooks • Jun. 9, 2022

To exemplify this, imagine a dihybrid cross involving flower color and plant height in which the genes are next to each other on the chromosome.

From Textbooks • Jun. 9, 2022

Such Cases Easily Mistaken for True Blends.—If we should tabulate the possible combinations as we did the dihybrid we should see that we would get individuals having varying numbers of red determiners.

From Being Well-Born An Introduction to Eugenics by Guyer, Michael F.