搜索结果: 1-15 共查到“理学 before sex”相关记录69条 . 查询时间(0.364 秒)
Sex differences in gene expression in alveolar type 2 (AT2) cells may underlie sex biases in the prevalence and severity of lung diseases, according to a study led by University of Pennsylvania scient...
Food or sex? Fruit flies give insight into decision-making
neurons behavioral neural element brain mechanisms
2021/8/6
Individuals are likely to prioritize food over sex after being deprived of both, according to researchers who studied this behavioral conflict in fruit flies. A new study pinpointed the precise neuro...
UC biology study suggests a father’s nutrition before sex could contribute to the health of his offspring（图）
UC biology study suggests father’s nutrition before sex health of his offspring
2017/10/25
Doctors long have stressed the importance of good nutrition for expectant mothers.Now biologists at the University of Cincinnati say the father’s diet could play a similar role in the health of a baby...
Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts
BMI adults genetics twins international comparisons
2018/11/15
Background: Genes and the environment contribute to variation in adult body mass index [BMI (in kg/m2)], but factors modifying these variance components are poorly understood.
In Sex-Changing Fish,Male-Typical Sexual Behavior Associated With Elevated Expression Of Male Sex Hormone Receptors In Muscles
Sex-Changing Fish Male-Typical Sexual Behavior Male Sex Hormone Receptors Muscles
2017/7/21
Sex-changing fish exhibit differences in androgen receptor (AR) expression in muscles that are highly sensitive to androgens (male sex hormones) and essential for male courtship behavior, according to...
Do ω-3 PUFAs affect insulin resistance in a sex-specific manner? A systematic review and meta-analysis of randomized controlled trials
adults diabetes omega-3 PUFAs DHA EPA insulin resistance insulin sensitivity
2018/12/19
Background: Evidence has suggested that omega-3 (n–3) polyunsaturated fatty acids (PUFAs) improve obesity-induced insulin resistance (IR); however, results from human intervention trials have been equ...
福建师范大学生命科学学院遗传学英文课件 Sex Determination and Sex Chromosomes
福建师范大学生命科学学院 遗传学 英文 课件 Sex Determination and Sex Chromosomes
2015/9/14
福建师范大学生命科学学院遗传学英文课件 Sex Determination and Sex Chromosomes。
FORGOTTEN SEX SIGNALS
FORGOTTEN SEX SIGNALS
2015/9/9
Sending signals to the opposite sex isn’t always a trait that’s passed on to animals’ offspring, according to new research conducted at Michigan State University.Animal sex signals, communications bet...
Sex,Drugs,and Sea Slime:The Oceans' Oddest Creatures and Why They Matter
Sex；Drugs；Sea Slime Oceans' Oddest Creatures Why They Matter
2015/7/13
Ellen Prager's book presents an entertaining account of the lives of many marine organisms. Its stories are understandable, fun to read, and focus on describing the curious attributes and mysterious l...
Movin' & Groovin' Salamanders: Conservation Implications of Large Scales and Quirky Sex
Ambystoma Lithobates sylvaticus PIT unisexual vernal pool
2014/12/18
Mole salamanders (Ambystoma) and woodfrogs (Lithobates sylvaticus) are abundant in New England and depend on ephemeral wetlands for breeding. Their aquatic habitats have been well studied and are prot...
Sex Difference in Calbindin Cell Number in the Mouse Preoptic Area: Effects of Neonatal Estradiol and Bax Gene Deletion
Sex Difference Calbindin Cell Number Mouse Preoptic Area Neonatal Estradiol Bax Gene Deletion
2014/12/12
The sexually dimorphic nucleus of the preoptic area (SDN-POA) was first discovered in rats and is one of the most famous and best studied sex differences in the field of neuroscience. Though well docu...
Choosing between two good things can be tough. When animals must decide between feeding and mating, it can get even trickier. In a discovery that might ring true even for some humans, researchers have...
Male and female sex cell determination requires lifelong maintenance and protection
Male and female sex cell determination requires lifelong maintenance and protection
2014/6/19
The way in which the sex of an organism is determined may require lifelong maintenance, finds new research from the University of Minnesota. According to the study published today in the journal Devel...
Determination of Sperm Sex Ratio in Bovine Semen Using Multiplex Real-time Polymerase Chain Reaction
Sex Determination Sexed Semen Multiplex Real-time polymerase chain reaction
2016/5/17
Gender selection is important in livestock industries; for example, female calves are required in the dairy industry. Sex-sorted semen is commonly used for the production of calves of the desired gend...
Association of Polymorphism Harbored by Tumor Necrosis Factor Alpha Gene and Sex of Calf with Lactation Performance in Cattle
Cattle TNFα Gene Single Nucleotide Polymorphism Milk Production Sex of Progeny
2016/5/12
In a majority of mammals, male infants have heavier body mass and grow faster than female infants. Accordingly, male offspring nursing requires a much greater maternal energy contribution to lactation...