| 释义 |
recessiveness Biol.|rɪˈsɛsɪvnɪs|
[f. prec. + -ness.]
The state or property of being recessive. Opp. dominance 2.
1909W. Bateson Mendel's Princ. Heredity 71 Basing his procedure on a knowledge of the dominance or recessiveness of each character the breeder may thus guide his operations with certainty. 1938L. Ride Genetics & Clinician ii. 17 In the case of the red and white four o'clocks, the dominance of ‘red’ is but 50% as is also the recessiveness of white, i.e., neither character is definitely dominant nor recessive. Ibid., The dominance of some characters in the echinoderm may be changed to recessiveness by altering the chemical nature of the sea-water. 1975J. B. Jenkins Genetics iii. 83 Bateson..proposed his presence-and-absence hypothesis..which stated that dominance is due to the presence of a particular gene and that recessiveness results from the loss of that gene. |