Describe the development of an oocyte from primordial follicle to when it is released at ovulation. How do hormones contribute to this progression?  Describe the development of a spermatogonia to a spermatozoa.  How do hormones contribute to this progression?  What is the function of Sertoli and Leydig cells?

Q: Which of the following is NOT true of the female reproductive cycle? a. The entire cycle is 28 days…

A: Female reproductive cycle occurs in every woman as they attain puberty ranging from 12years to so on…

Q: Compare oogenesis to spermatogenesis. How are the two processes similar? How do they differ?

A: Spermatogenesis is the reproductive stage where haploid cells are formed from a diploid stem cell…

Q: initiate puberty? What is testis-determining factor?

A: Answer - puberty is a vital process in the development of all individuals the series of hormonal…

Q: Describe a positive feedback mechanism that contributes to ovarian cycling. If the ovulated oocyte…

A: Ovulation is the process of releass of ovum in female due to peak level of luteinizing hormone,…

Q: At the midpoint of the menstrual cycle, estrogen promotes a sudden surge of LH from the pituitary.…

A: Hormones are chemical substances produced by our body's endocrine system, which releases the…

Q: If human fetus were exposed to very low levels of both testosterone and estrogen during prenatal…

A: People with both male and female anatomy and mixed characteristics are called as intersexes. The…

Q: What are the organizing effects of sex hormones? Compare the negative feedback loops in the male…

A: Steroid hormones that interact with steroid hormone receptors in vertebrates are known as sex…

Q: Which of the following is TRUE about the mechanism of sex determination? A) The product of the SRY…

A: Human sex is controlled by the presence or absence of a Y chromosome with a utilitarian SRY quality.…

Q: Which of the following events does NOT occur initially during a female reproductive cycle? * FSH &…

A: Which of the following events does not occur initially during a female reproductive cycle  Answer :…

Q: Which of the following is NOT TRUE? A) Menopause is marked by elevated levels of gonadotropins. B) A…

A: Menstruation: Menstruation is the periodic or cyclic discharge from the uterus through the vagina of…

Q: Luteinizing hormone (LH) and follicle stimulating hormone (FSH) are essential in female reproduction…

A: Introduction :- The pituitary gland, a tiny gland behind the brain, produces LH. LH is essential for…

Q: Spermatogenesis is cyclic and exhibits spermatogenic wave inside the seminiferous tubules. Which of…

A: Spermatogenesis:Spermatogenesis is the development of haploid spermatozoa from germ cells in the…

Q: Which of the following mechanisms best explains the contraceptive effect of birth control pills that…

A: *Preventing pregnancy is done with oral contraceptives (birth control pills). Female sex hormones…

Q: Which of the following is true regarding the oocyte and surrounding structures at ovulation? O The…

A: Ovulation refers to the event where ovaries release eggs. This happens in many animal and human…

Q: During gametogenesis, from a single germ cell (oocyte/spermatocyte), males produce. O4;1 4:4 O1;1…

A: ANSWER) Gametogenesis is the process by which oocytes and spermatocytes produces gametes. More male…

Q: Spermatogenesis is the process by which sperm develop and mature. Which of the following sequences…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: At the end of the uterine cycle, there is a significant drop in the level of LH, estrogen, and…

A:

Q: Which of the following statements does NOT describe the role of luteinizing hormone (LH) in the…

A:

Q: At the end of the uterine cycle, there is a significant drop in the levels of LH, estrogen, and…

A:

Q: Which of the following events does NOT occur initially during a female reproductive cycle? *…

A: The correct option is A the progesterone promotes the secretory phase Normal vaginal bleeding that…

Q: Describe the way in which the female hormones GnRH, FSH, LH, and oestrogen interact during the…

A: The biological process of reproduction is how a new, unique organism is created from its parents.…

Q: would the LH surge begin? When would Anita have her highest levels of progesterone? When would…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: lay out what structures sperm travel through on their way to the oocyte and towards implantation. In…

A: Sperm are the male reproductive gametes which are produced in the testis and are transported to…

Q: Describe the important processes involved in gamete formation in testes and ovaries. What are the…

A: The process of male gamete or sperm production in the testes is called spermatogenesis.…

Q: How do follicles influence FSH and LH levels at the end of the follicular phase, right before…

A: The ovarian cycle is a series of events that are mainly occuring in the ovaries during and after thr…

Q: A- BC C- D

A: Reproductive system and urinary system are connected in such a way in these both system use common…

Q: Name two structures that are homologous between the male and female reproductive systems.  Name the…

A: Homologous structures The Structures are defined to be homologous if they develop from the same…

Q: What is spermatogenesis? Briefly describe the process of spermatogenesis.

A: The testes is the male reproductive organ which produces sperm and the male sex hormone. Sperm is…

Q: Which of the following statements correctly describes the development of the endometrium during the…

A:

Q: What is the correct sequence of organs of the female reproductive system from the beginning of…

A: Oogenesis: It is the process of formation of ova or ovaries in the female reproductive system.…

Q: The endometrium thickens during the uterine cycle, but disintegrates if the egg is not fertilized.…

A: Menstrual cycle is the cycle of changes in hormone levels and endometrial lining of female…

Q: Which of the following layers of the uterus undergoes the greatest change during the menstrual…

A: The endometrium is the deepest layer of the uterus. The actual endometrium comprises of a basal…

Q: .What type of abnormality in the sperm that fertilizes a normal egg will produce an XYY zygote? What…

A: XYY syndrome or Jacob's syndrome  . This condition 47 ( or 46Y) is seen in male .  It is not…

Q: During ejaculation, sperm cells and semen is released from the reproductive tract of a male. What…

A: Ejaculation It is the process through which sperm cells and seminal plasma from the male…

Q: List three ways in which oogenesis differs from spermatogenesis. Be specific!

A: Spermatogenesis and oogenesis are the processes of the formation of male and female gametes.…

Q: If there are 7 spermatogonium that will undergo cell division, how many primary spermatozoa will be…

A: Spermatogenesis is the process of producing sperms from spermatogonium in the seminiferous tubules…

Q: Why does corpus luteum stay active throughout pregnancy and in the absence of fertilization, is…

A: Introduction We will answer the question in below step.

Q: Which row correctly identifies the function and a source of hCG, respectively? Select one:

A: Placenta is a structural and functional unit between developing embryo and maternal body .It is a…

Q: Explain how pituitary and hypothalamic hormones regulate and control the process of reproduction.…

A: Here we have to describe about how pituitary and hypothalamic hormones regulate and control the…

Q: During the menstrual cycle, the DEGRADATION of the corpus luteum causes what?    1. The decrease of…

A: Pregnancy in women is greatly controlled by various hormones. The level of the hormone increase or…

Q: Which of the following correctly describes the results of andropause? Select one: A. Lower sperm…

A: In Greek “Andras” means human male and “pause” means cessation, thus “andropause” is described as a…

Q: Does the male gonad secrete something that affects male differentiation? In this experiment, the…

A: The gonads, the first reproductive organs, are the testes within the male and therefore the ovaries…

Q: Which of the following describes the role of Luteinizing hormone in the ovarian cycle? o Inhibits…

A: The hormones are basically secreted from the ductless glands called the endocrine glands. These…

Q: what seems to be the most likely hormone that we could use as a male contraceptive pill? Explain.

A: Contraception involves artificial method or other techniques to prevent pregnancy as a consequence…

Q: All of the followings are correct about female reproductive system except----------------.

A: Luteinizing hormone (LH) is secreted from the anterior pituitary under the influence of GnRH, not…

Q: How many follicle cells will fit inside? Is there an abundance of yolk within the cytoplasm of the…

A: Oocyte It is an immature ovum or egg cell which is a female gametocyte or germ cell. It is involved…

Q: What is the disorder that causes an individual who has inherited the XY chromosomes to appear female…

A: Human males contain two heteromorphic sex chromosomes i.e., XY, and females contain homomorphic sex…

Q: Which of the following causes the bleeding (menstruation) during the menstrual cycle? Reduced…

A: Menstruation is the bleeding of uterus due to the loss of ovary. It usually take place when the egg…

Q: Which of the following events best correlates with the onset of menstruation? O increased secretion…

A: The reproductive cycle within the female primate is named "menstrual-cycle". The primary…