Sex-linked variegation modified by selection in brindled mice
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چکیده
منابع مشابه
Prenatal sex determination in suspicious cases of X-linked recessive diseases by the amelogenin gene
Objective(s):To determine the fetal discernment in suspected cases of sex linked recessive disease in the first trimester of pregnancy. Materials and Methods: After collection of 100 Chorionic Villi samples, the DNAs were extracted and baby gender was determined. Meanwhile, after increasing the sensitivity, the system was able to detect the sex of each cell which was obtained by biopsy. Resul...
متن کاملattitudes about sex selection and sex preference in iranian couples referred for sex selection technology
background: gender preference is prevalent in some communities and using medical techniques to choose the baby’s sex may cause the gender discrimination and gender imbalance in communities. therefore, evaluating the gender preferences and attitudes towards using sex selection technologies seems to be necessary. methods: this cross-sectional study was conducted in avicenna fertility center. part...
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Background: Today factors including cultural, social, religious, economic and medical such as X Linked diseases encouraged couples to choose traditional methods or new treatment for selecting the gender of child. It seems that Spermatozoa containing chromosomes X and Y have different speed in various pH. In this study the velocity of spermatozoa in different acidic pH was evaluated. Materials a...
متن کاملSexual selection can resolve sex-linked sexual antagonism.
Sexual selection is a potent evolutionary force. However, very few models have considered the evolution of female preferences for traits expressed in both sexes. Here we explore how female preferences coevolve with sexually antagonistic traits, which involve alleles that are beneficial to one sex but harmful to the other. We show that with a sexually antagonistic trait on the X chromosome (male...
متن کاملAn Overview of Sex Selection at Conception in Mammals
Although the mechanisms under which sex ratio is controlled in nature remain unknown, researchers have attempted to treat sperm in an effort to predetermine the sex of the offspring. The methods of sperm separation that have been repeatedly reported to isolate fractions rich in X- or Y-chromosome bearing sperm are serum albumin gradient swim-up and flow cytometry. However, the ability of the se...
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ژورنال
عنوان ژورنال: Genetical Research
سال: 1972
ISSN: 0016-6723,1469-5073
DOI: 10.1017/s0016672300013823