| 释义 |
DictionarySeesex chromosomesW chromosome
W chromosome[′dəb·əl‚yü ‚krō·mə‚sōm] (genetics) The sex chromosome present only in females in species with female heterogamety. W chromosome
sex chro·mo·somesthe pair of chromosomes responsible for sex determination. In humans and most animals, the sex chromosomes are designated X and Y; females have two X chromosomes, males have one X and one Y chromosome In certain birds, insects, and fish the sex chromosomes are designated Z and W; males have two Z chromosomes, females may have one Z and one W chromosome, or one Z and no W chromosome. Synonym(s): gonosomeThesaurusSeechromosome |