- diploid sex differentiation
- 二倍体性别分化
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
Sex differences in humans — Male and female anatomy. Note that these models have had body hair and male facial hair removed and head hair trimmed. A sex difference is a distinction of biological and/or physiological characteristics associated with either males or females of … Wikipedia
Sex — An organism s sex is defined by the gametes it produces: males produce male gametes (spermatozoa, or sperm) while females produce female gametes (ova, or egg cells); individual organisms which produce both male and female gametes are termed… … Wikipedia
Sex-determination system — A sex determination system is a biological system that determines the development of sexual characteristics in an organism. Most sexual organisms have two sexes. In many cases, sex determination is genetic: males and females have different… … Wikipedia
Sexual differentiation — This article is about the development of sexual dimorphisms in humans. For sex differences for all animals, see Sexual dimorphism. Sexual differentiation is the process of development of the differences between males and females from an… … Wikipedia
Haplodiploid sex-determination system — The haplodiploid sex determination system determines the sex of the offspring of many Hymenopterans (bees, ants, and wasps), and coleopterans (bark beetles). In this system, sex is determined by the number of sets of chromosomes an individual… … Wikipedia
X0 sex-determination system — The X0 sex determination system is a system that grasshoppers, crickets, cockroaches, and some other insects use to determine the sex of their offspring. In this system, there is only one sex chromosome, referred to as X. Males only have one X… … Wikipedia
Honey bee — For other uses, see Honey bee (disambiguation). This article refers collectively to all true honey bees; for the common domesticated honey bee, see European honey bee. Honeybees Temporal range: Oligocene–Recent … Wikipedia
Saccharomyces cerevisiae — S. cerevisiae under DIC microscopy Scientific classification Kingdom … Wikipedia
haplodiploidy — “+ noun Etymology: hapl + diploidy : sex differentiation in which haploid males are produced from unfertilized eggs and diploid females from fertilized eggs (as in certain insects) * * * haplodipˈloidy noun • • • Main Entry: ↑haplo … Useful english dictionary
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium