Male and female fertility levels of genetic male sterile barley grown at two different latitudes1
نویسندگان
چکیده
منابع مشابه
Genetic basis of male fertility.
We are in the age of genetic discovery. Now the human genome has been completely sequenced1, there will be increasing understanding and ability to manipulate biochemical pathways downstream of genes. At the same time, further development of in vitro fertilization (IVF) and intracytoplasmic sperm injection(ICSI) will enable procreation in situations that were formerly impossible and when there m...
متن کاملMale infertility, female fertility and extrapair copulations.
Females that are socially bonded to a single male, either in a social monogamy or in a social polygyny, are often sexually polyandrous. Extrapair copulations (EPC) have often been suggested or rejected, on both empirical and theoretical grounds, as an important mechanism that enables females to avoid fertility risks in case their socially bonded male is infertile. Here, we explore this possibil...
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Triclosan is a synthetic chemical with broad antimicrobial activity that has been used extensively in consumer products, including personal care products, textiles, and plastic kitchenware, although the exposure which is widespread evidence from human studies is scarce. Our study aims to investigate the relationship between triclosan exposure and male fertility. Triclosan (TCS) urinary concentr...
متن کاملMale and female orgasm ? different?
Oh, oh, oh? no? Though much has been said about men?s versus women?s ability to orgasm, there seems to be a growing consensus that there are no major biological differences between their respective orgasms. For the majority of people, orgasms are characterized by a contraction of pelvic floor muscles, intense pleasurable sensation, release of endorphins and hormones, and for some, the release o...
متن کاملMale and female orgasm ? different?
Oh, oh, oh? no? Though much has been said about men?s versus women?s ability to orgasm, there seems to be a growing consensus that there are no major biological differences between their respective orgasms. For the majority of people, orgasms are characterized by a contraction of pelvic floor muscles, intense pleasurable sensation, release of endorphins and hormones, and for some, the release o...
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ژورنال
عنوان ژورنال: Hereditas
سال: 2009
ISSN: 0018-0661
DOI: 10.1111/j.1601-5223.1979.tb01642.x