which of the following is a primary sexual characteristic?
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Primary & Secondary Sexual Characteristics Primary & Secondary Sexual Characteristics. Primary and secondary sexual characteristics refer to specific physical traits that differentiate males and females in sexually dimorphic species; that is, species in which males and females look different. Primary sexual characteristics are there from birth (for example, penises vs. vaginas).
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secondary sex characteristic secondary sex characteristic. Any of the physical traits in a sexually mature animal that are not directly involved in the act of reproducing. They include breast development in female primates, facial-hair growth in young men, the growth of antlers in antelopes, and colorful plumage in male birds.oun. 1. secondary sex characteristic-the genetically determined sex characteristics that are not functionally necessary for reproduction (pitch of the voice and body hair and musculature). secondary sex character, secondary sexual characteristic.
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Primary Sex Characteristics: Definition & Explanation Primary Sexual Characteristics. Primary sexual characteristics are the physical characteristics directly involved in reproduction, such as the sex organs. The sex organs involved can have various names depending on the living thing being discussed.
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Useful For Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test. Testosterone is the major androgenic hormone. It is responsible for the development of the male external genitalia and secondary sexual characteristics. In females, its main role is as an estrogen precursor. In both genders, it also exerts anabolic effects and influences behavior.
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Which of the following is a true statement about sexual vs. asexual reproduction? Which of the following is a true statement about sexual vs. asexual reproduction? a) in sexual reproduction, individuals transmit 50%of their genes to each of their offspring. b) in asexual reproduction, offspring are produced by fertilization without meiosis. c)asexual reproduction produces only haploid offspring. d) sexual reproduction requires that parents be diploid.
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Sexual orientation Currently, there is no scientific consensus about the specific factors that cause an individual to become heterosexual, homosexual, or bisexual – including possible biological, psychological, or social effects of the parents' sexual orientation.ssessing sexual attraction will yield the greatest prevalence of homosexuality in a population whereby the proportion of individuals indicating they are same sex attracted is two to three times greater than the proportion reporting same sex behavior or identify as gay, lesbian, or bisexual.
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Unit 9: Developmental Psychology The most important of the male sex hormones. Both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs in the fetus and the development of male sex characteristics during puberty.
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- The sex organs of a green alga Chara are the male antheridia (red) and female archegonia (brown). A sex organ or reproductive organ, primary sex organ, or primary sexual characteristic, is any anatomical part of the body in a complex organism that is involved in sexual reproduction and together constitute the reproductive system. The external and visible organs, in males and females, are the primary sex organs known as the genitals or genitalia.
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Hebephilia While individuals with a sexual preference for adults may have some sexual interest in pubescent-aged individuals, researchers and clinical diagnoses have proposed that hebephilia is characterized by a sexual preference for pubescent rather than adult partners.
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- The primary reproductive organs are the organs responsible for. 1  producing the egg and sperm cells (gametes), 2  producing hormones that function in the maturation of the reproductive system. 3  the development of sexual characteristics.
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Primary And Secondary Sex Organs Primary And Secondary Sex Organs. Primary sex organs in males and females are generally known as gonads. Sex organs in males. In the case of male reproductive system the primary sex organs are a pair of testes (singular: testis) lying outside the abdominal cavity, enclosed in a sac called the scrotum.
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Puberty Signs and Symptoms of Central Precocious Puberty. Secondary sex changes are those physical changes associated with the progressive rise in sex hormones -- estrogen and progesterone in females and testosterone in males. presence of pubic hair, axillary hair, and facial hair.
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Hem Hem repair tape is available as an alternative solution to sewing a broken hem. To effect a fix, the hem repair tape is laid around the inside of the hem. It is then ironed with a hot iron. The heat causes the tape to bond the two surfaces together. See also. Hemline; References
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Which hormone (s) are responsible for the female secondary sex characteristics? Best Answer: D. estrogen and progesterone. Insulin is secreted in the pancreas and has to do with sugar. testosterone is a dominant male hormone. Thyroid hormone has to do with regulation and growth. HCG has to do with fetal development (it is present during pregnancy) Source(s):
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- Two traits invariably present: lust for power and paraphilia, or sexual abnormality, such as voyeurism, undinism, coprophagia and piquerism (self-stabbing with sharp insruments).
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- (Barnes, 1987; Br­usca and Br­usca, 2003) 1  Key Reproductive Features. 2  seasonal breeding. 3  gonochoric/gonochoristic/dioecious (sexes separate) 4  simultaneous hermaphrodite. 5  sequential hermaphrodite. 6  sexual. 7  fertilization external. 8  oviparous.
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What are secondary sex characteristics? NEXT PAGENEXT. While primary sex characteristics are those that are present at birth, secondary sex characteristics are those that appear during puberty. These secondary sex characteristics are caused by hormones released at the time of puberty, which usually is around two years earlier in girls than in boys.
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- Which of the following is an example of female primary sex characteristics? a. menstrual cycle b. ovaries c. mammary glands become capable of producing milk d. testes Grade: 1 User Responses: b.ovaries Feedback: a.Correct. The Physical Side of Human Sexuality, p. 388 21.
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SECONDARY SEX CHARACTERISTIC • SECONDARY SEX CHARACTERISTIC (noun). The noun SECONDARY SEX CHARACTERISTIC has 1 sense: 1. the genetically determined sex characteristics that are not functionally necessary for reproduction (pitch of the voice and body hair and musculature).Familiarity information: SECONDARY SEX CHARACTERISTIC used as a noun is very rare.. the genetically determined sex characteristics that are not functionally necessary for reproduction (pitch of the voice and body hair and musculature).
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Bio help please! I'll rate you best.? -FALSE Sexual reproduction is associated with _____. -MEIOSIS Asexual reproduction always yields offspring that are identical to their parent. -TRUE The principal advantages of asexual reproduction are _____. -RAPID RATE-ONLY ONE PARENT NEEDED The most significant characteristic of sexual reproduction is _____. -GENETIC VARIABILITY Large variations in a crop may be developed by employing asexual reproduction.
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- The orgasm is the climax of the sexual response cycle. It is the shortest of the phases and generally lasts only a few seconds. General characteristics of this phase include the following: 1  Involuntary muscle contractions begin.
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Secondary Sex Characteristics: Definition & Explanation These secondary characteristics are features such as pubic hair, breast development in females, and beards in males. The list below shows some of these characteristic differences between human males and females.econdary sex characteristics are those physical features that allow us to tell males from females, such as breasts on women and beards on men. This differs from primary sex characteristics, or body structures directly concerned with reproduction.
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- Testosterone is primarily responsible for the development of male secondary sexual characteristics, e.g., beard growth, pubic hair growth, deepening of voice, etc. Testosteron … e.
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Secondary sex characteristic Secondary sex characteristics include manes of male lions and long feathers of male peacock, the tusks of male narwhals, enlarged proboscises in male elephant seals and proboscis monkeys, the bright facial and rump coloration of male mandrills, and horns in many goats and antelopes, and these are believed to be produced by a positive feedback loop ...
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- Categories of sexual orientation typically have included attraction to members of one’s own sex (gay men or lesbians), attraction to members of the other sex (heterosexuals), and attraction to members of both sexes (bisexuals).
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Puberty Puberty involves a series of physical stages or steps that lead to the achievement of fertility and the development of the so-called secondary sex characteristics, the physical features associated with adult males and females (such as the growth of pubic hair).