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The condition in which males and females differ dramitically in phenotypic characteristics is called?
Wiki User
∙ 11y ago
sexual dismorphism
Wiki User
∙ 11y ago
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Hormone involved in secondary sex characteristics in females?
Progesterone.
When do females develop secondary sexual characteristics?
Girls start developing breasts with the onset of puberty usually between the ages of 12 and 14.
List three secondary sex characteristics of females?
Some examples would be: Males have facial hair while females do not. Females have breasts while males do not. Females tend to have wider hips than the males. Males tend to be slightly larger than the female.
Why don't the sex chromosomes have true homologous partners like the autosomes?
Well... they can. In females (who contain XX chromosomes) there is a homologous pair of chromosomes. In males (XY) the Y chromosome must be in existence to activate the development of male characteristics... Otherwise they'd be females.
What is the difference between primary and secondary sex characteristics?
Primary characteristics involve the organs for reproduction. Males have testicles, females uterus. Secondary characteristics involve traits characterized by hormonal changes such as the differences due to puberty. Examples include breasts, facial hair, the growth of pubic hair and underarm hair.
What is the type of disease when a female has 3 x chromosomes?
Triple X syndrome is a form of chromosomal variation characterized by the presence of an extra X chromosome in each cell of a human female. The condition occurs only in females, which have an additional chromosome, resulting in the formation of XXX. The female may not experience severe phenotypic characteristics though because of Barr Bodies. 2 (randomly selected) of the 3 X chromosomes will be "switched off" in each cell.
What are the differences in the skeletons of males and females in the characteristics of what bone?
Pelvis/Pubis
Hormone involved in secondary sex characteristics in females?
Progesterone.
What is selective breeding and why would it be done?
Is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits. So males and females will sexually reproduce and have an offspring together.
Is the condition of conjoined twins more prevalent in females or males?
male
Is the condition of conjoined twins more prevalent in females of males?
male
What are some secondary male sex characteristics?
They are sometimes as interested in other males as in females....
What cell produces female characteristics?
Hormones, not cells, determine characteristics. Females have two 'X' chromosomes, and men have one 'X' and one 'Y'.
Where would a tumor be located that was related to endocrine glands and causes secondary characteristics in females?
Adrenal
What reproductive organ produces the hormone that develops the secondary sex characteristics in human females?
Ovaries
What is the hormones is responsible for the development of secondary sexual characteristics of females?
estrogen= female testosterome=male
Which reproductive organ produces the hormone that develops the secondary sex characteristics in human females?
OVARY
