| 释义 |
dihybridenUK
di·hy·brid D0222100 (dī-hī′brĭd)n. The offspring of parents that are each homozygous for different alleles of two genetic loci.dihybrid (daɪˈhaɪbrɪd) n (Genetics) genetics the offspring of two individuals that differ with respect to two pairs of genes; an individual heterozygous for two pairs of genes diˈhybridism ndi•hy•brid (daɪˈhaɪ brɪd)
n. 1. the offspring of parents differing in two specific pairs of genes. adj. 2. of or pertaining to such an offspring. [1905–10] di•hy′brid•ism, n. Thesaurus| Noun | 1. | dihybrid - a hybrid produced by parents that differ only at two gene loci that have two alleles eachcrossbreed, hybrid, cross - (genetics) an organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or species; "a mule is a cross between a horse and a donkey" |
dihybridenUK
di·hy·brid (dī-hī'brid), The offspring of parents differing in two characters. [G. di-, two, + L. hybrida, offspring of a tame sow and a wild boar] dihybrid (dī-hī′brĭd)n. The offspring of parents that are each homozygous for different alleles of two genetic loci.dihybrid - an organism that carries two different ALLELES of one gene and two different alleles of another gene. For example, character A (controlled by alleles A 1 and A2) and character B (alleles B1 and B2 ). The dihybrid would have the genotype A1A2 B1B2, i.e. a double HETEROZYGOTE.
- (of a cross) having two parents that have been mated to produce dihybrids that are then also mated. A single dihybrid plant is self-fertilized (see SELF-FERTILIZATION). MENDEL formulated his law of INDEPENDENT ASSORTMENT from the results of a dihybrid cross involving pairs of contrasting characters in the pea plant.
dihybridenUK
Related to dihybrid: trihybridWords related to dihybridnoun a hybrid produced by parents that differ only at two gene loci that have two alleles eachRelated Words |