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At what week in fetal development does the genetic instructions for differential development of male or female gonads occur?
The genetic instructions for differential development of male or female gonads occur around the 7th week of fetal development. During this time, the presence or absence of the Y chromosome determines whether the gonads will develop into testes (male) or ovaries (female).
What hormone is produced in male gonads?
The hormone that is produced in the male gonads is testosterone.
What are male gonads called?
Male gonads are called testes. They are responsible for producing sperm and hormones, particularly testosterone. The testes are located in the scrotum, which helps regulate their temperature for optimal sperm production.
When do the gonads develop in embryonic development?
The gonads develop around the sixth week of embryonic development. Initially undifferentiated, they differentiate into either testes (male) or ovaries (female) depending on the presence or absence of certain genes.
Where are the male gonads held and why?
Male gonads, or testes, are held in the scrotum, which is located outside the male body. This external positioning is crucial for regulating temperature, as sperm production requires a temperature slightly lower than the body's core temperature. The scrotum allows for temperature adjustment through contraction and relaxation of the muscles, ensuring optimal conditions for sperm development.
What is the difference between ovaries and testes?
The testes are the male gonads that are located outside the body. They produce spermatozoa and testosterone. The ovaries are the female gonads that are located on the inside of the body. They produce ova, estrogen and progesterone.
What organ are responsible for gametogenesis?
Gametogenesis takes place in the gonads. The male gonads are the testes, and the female gonads are the ovaries.
What do the male gonads produce?
The male gonads (testes) produce sperm cells and hormones, such as testosterone.
Where are the Gonads located in a female?
The gonads in the male body are actually the testis. If you do not know where the testis are located on a man, they are the spherical, sperm producing organs that are connected to the body below the penis.
What are the gonads in a perch?
The gonads of any male animal are the structures that produce the sperm.
What is the difference between Gonads and Testes?
Gonads is a more general word, and gender neutral. Testes are the male gonads, while the ovaries are the female gonads.
Why are the male gonads not found in the abdominal cavity?
The male gonads (testes) start developing inside the abdominal cavity during fetal development but descend into the scrotum before birth because they need to be located outside the body to maintain a lower temperature for spermatogenesis. This temperature regulation is crucial for proper sperm production.
