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A freemartin or free-martin (sometimes martin heifer) is an infertile cow with masculinized behavior and non-functioning ovaries. [1] Phenotypically, the animal appears female, but various aspects of female reproductive development are altered due to acquisition of anti-Müllerian hormone from the male twin. [2]
In astrology, Cancer is the cardinal sign of the Water trigon, which is made up of Cancer, Pisces, and Scorpio. [3] It is one of the six negative signs , and its ruling planet is the Moon . Though some depictions of Cancer feature a lobster or crayfish , [ 2 ] the sign is most often represented by the crab , based on the Karkinos .
Today’s Cancer Horoscope | January 27th, 2025 Your love and friendship make more of a difference than you realize. Others may seem incredibly focused on their own lives right now, but they ...
Women (39 C, 4 P) Pages in category "Female mammals" ... Tinkerbelle the Dog This page was last edited on 10 April 2020, at 11:47 (UTC). Text ...
[9] [10] It is considered that female choice may select for traits in males that reliably indicate level of oxidative stress, as such traits would be a good indicator of male quality [9] [10] Elevated oxidative stress can lead to increased DNA damage that can contribute to aging or cancer. Female choice thus may promote the evolution of ...
Rating traits involve a group of observers that scrutinize the behavioural traits of an individual animal. Observers are typically given a list of characters and/or descriptions to use as a reference for interpreting animal behaviour then use the list to rate the behaviours. [11] The rating method uses observers and data recording instruments. [1]
The term comes from the Greek γυνή (gynē) 'female', ἀνήρ (anēr) 'male', and μορφή (morphē) 'form', and is used mainly in the field of entomology. Gynandromorphism is most frequently recognized in organisms that have strong sexual dimorphism such as certain butterflies, spiders, and birds, but has been recognized in numerous ...
Some chromosomal sex determination systems in animals A sex-determination system is a biological system that determines the development of sexual characteristics in an organism . [ 1 ] Most organisms that create their offspring using sexual reproduction have two common sexes, males and females , and in other species, there are hermaphrodites ...