Sex problems in practice. Iatrogenic sex problems.

Sex and Its Problems

Sex Problems and Personal Relationships

written half and the two parts are quite separate, the book is scarcely a true integration of their views. This is a pity for each has something to give the other. One feels for example that the letter written to an American soldier (p. 47) by Mr. Parkinson Smith which he modestly regards as inadequate?would have given more help if both had collaborated in writing it. As it is, the book remains...

Problems of Birds Sex Determination

Sex determination system in birds is characterized by a homo-(Neognatae) and heteromorphic (Paleognatae) sex chromosomes. Heterogametic sex is female (ZZ/ZW system). DMRT1 gene is a gene regarded as a main male sex determining factor in this group of animals. The question remains about the participation of other factors (HEMOGEN, AMH etc.) in appearance of testis, and the role of steroid hormon...

Help with Sex Problems in Marriage

ignorance still prevalent among lay-men (and some doctors) concerning marital ^ adjustments make it seem right that the Marriage Guidance Council should have 1 own booklet for its special clients. As to the readership, the context indicates that i' for young couples still in love, who are puzzled because there is something lacking their physical enjoyment of each other but may not be sure exact...

Primary sex ratios in birds: problems with molecular sex identification of undeveloped eggs.

Sex allocation studies seek to ascertain whether mothers manipulate offspring sex ratio prior to ovulation. To do so, DNA for molecular sexing should be collected as soon after conception as possible, but instead neonates are usually sampled. Here, we aim to identify and quantify some of the problems associated with using molecular techniques to identify the sex of newly laid avian eggs. From b...