- nuclear sex
- the sex as determined on the basis of the presence or absence of sex chromatin in somatic cells, its presence normally indicating the XX (female) genotype, and its absence the XY (male) genotype.
Medical dictionary. 2011.
Medical dictionary. 2011.
Sex-selective abortion — is the practice of terminating a pregnancy based upon the predicted sex of the baby. The selective abortion of female fetuses is most common in areas where cultural norms value male children over female children, especially in parts of People… … Wikipedia
Sex steroid — Sex steroids, also known as gonadal steroids, are steroid hormones that interact with vertebrate androgen or estrogen receptors. Their effects are mediated by slow genomic mechanisms through nuclear receptors as well as by fast nongenomic… … Wikipedia
sex chromatin — n BARR BODY * * * chromatin found only in female cells and believed to represent a single X chromosome in a nondividing cell. It can be used to discover the sex of a baby before birth by examination of cells obtained by amniocentesis or chorionic … Medical dictionary
nuclear sexing — noun Testing a person s sex by examining cells from inside the cheek which, in females, have a material near the nucleus that can be stained blue • • • Main Entry: ↑nuclear … Useful english dictionary
Nuclear receptor — Crystallographic structure of a heterodimer of the nuclear receptors PPAR γ (green) and RXR α (cyan) bound to double stranded DNA (magenta) and two molecules of the NCOA2 coactivator (red). The PPAR γ antagonist GW9662 and RXR α agonist retinoic… … Wikipedia
sex — /seks/, n. 1. either the male or female division of a species, esp. as differentiated with reference to the reproductive functions. 2. the sum of the structural and functional differences by which the male and female are distinguished, or the… … Universalium
Nuclear power in the People's Republic of China — As of 2011[update], the People s Republic of China has 14 nuclear power reactors spread out over 4 separate sites and 27 under construction. China s National Development and Reform Commission has indicated the intention to raise the… … Wikipedia
Nuclear family — Sociology … Wikipedia
nuclear family — a social unit composed of father, mother, and children. Cf. extended family. [1945 50] * * * ▪ anthropology also called elementary family in sociology and anthropology, a group of people who are united by ties of partnership and parenthood… … Universalium
sex chromatin — chromatin found only in female cells and believed to represent a single X chromosome in a nondividing cell. It can be used to discover the sex of a baby before birth by examination of cells obtained by amniocentesis or chorionic villus sampling.… … The new mediacal dictionary