| 释义 |
monoploid, a. (and n.) Biol.|ˈmɒnəplɔɪd|
[a. G. monoploid (O. F. I. Langlet 1927, in Svensk Bot. Tidskr. XXI. 1): see mono- and -ploid.]
= haploid a. (and n.) (see quot. 1968). Hence ˈmonoploidy, the state or condition of being monoploid.
1928Jrnl. Genetics XIX. 138, I do not think it necessary to replace haploid with monoploid as Langlet (1927) proposes. 1943L. W. Sharp Fund. Cytol. xiv. 211 In the sporophytes of plants true monoploidy occurs very rarely. 1944Genetics XXIX. 232, 16 monosomes and five trisomes were found in the 11 aberrant offspring of a monoploid pollinated by a diploid. 1952Srb & Owen Gen. Genetics xi. 215 Doubling the chromosomes of a monoploid can give rise to diploid individuals homozygous for all the gene pairs in the organism. 1955G. F. Sprague Corn & Corn Improvement iv. 131 Monoploid or haploid plants, which have one set of chromosomes, arise spontaneously by the parthenogenetic development of unfertilized eggs. Much less frequent are the androgenetic monoploids. Ibid. Genes for a high incidence of monoploidy. 1968R. Reiger Gloss. Genetics & Cytogenetics 299 Monoploid, of cells or individuals (monoploids) having one chromosome set with the basic number of chromosomes, i.e., the lowest haploid number of chromosomes in a polyploid series. |