How does the bipotential gonads form into ovaries? O Through expression of the 5RY gene OSecretion of AMH and testosterone Degradation of the Mulerian ducts OPositive feedback of oxytocin ONone of tne above

Q: LIN-31 function upstream or downstream of the LET-23 receptor in the vulval development pathway

A: * vulval development is an example of organogenesis. * This organ is that the  connection between…

Q: In a newly fertilized egg, the vitelline layer O secretes hormones that enhance steroidogenesis by…

A: In Sea urchin, a capacitated sperm first crosses zona pellucida layer then it passes through…

Q: Which of the folowing hormone(s) are produced by the hypothalamus? Choose al that apply. Follicle…

A: There are many types of endocrine signaling in the body, which plays different functions in…

Q: Internal genitalia like the vagina, uterus, and ovaries in females, and the testes, epididymis, and…

A: Disorder of sex development (DSD) is a phenomenon that occurs in several organisms in which slight…

Q: Female Fetal Pig Reproductive System Please refer to the image to answer the question I have…

A: The excretory system is a dynamic biological system that removes many unnecessary substances from…

Q: True statement about the mammalian reproductive system? (select one) The embryo produces hCG to…

A: Mammalian reproduction: a. Mammals reproduce through internal fertilization and are viviparous. b.…

Q: Ther is a decrease in E2 level after ovulation. What causes it? 1.the releas of negative feedback…

A: Ovulation can be described as a process in which a mature egg is released from the ovary. As soon as…

Q: Which of the following is LEAST likely to be expressed in a corpus luteum? progesterone receptors…

A: The ovaries produce egg in each mensural cycle. After the egg is released in the fallopian tube, the…

Q: A 19-year-old woman presents with a sexually transmitted infection that has progressed to pelvic…

A: An infectious disease is one which can be transmitted from an infected individual to a healthy…

Q: In general of the two events menarche and spermarche, which happens earlier on average? O both…

A: Answer. Puberty is defined as the period during which an individual becomes capable of sexual…

Q: What directly triggers the release of progesterone? The release of FSH O Ovulation O Fertilization O…

A: Progesterone is well known as sex hormone. It is endogenous steroid in nature because they belong to…

Q: All of the following are true about disorders of the scrotum, epididymis and testicles, EXCEPT: O…

A: Spermatogenesis is a process of sperm production in testis in male.

Q: Why is it possible for a woman to get pregnant when her Fallopian tube us blocked

A: Fallopian tube  It is a connection between ovary and uterus.

Q: If the ovaries are removed from a 20-year-old female, what happens tothe levels of GnRH, FSH, LH,…

A: There are two ovaries present in the female gonads. These are small organs about 2-3.5 cm long and…

Q: What are sex cells called (choose all correct answers)? O germ cell O gametes O eggs O sperm O…

A: Higher eukaryotic organisms are composed of two fundamental types of cells; the germ cells and the…

Q: Predict the effect on LH and FSH secretion if a small tumor in thehypothalamus continuously secretes…

A: Hormones refer to the chemical messengers that travel via the blood to exert their function on the…

Q: How are the male and female gonads functionally different (ie, hormone cycles, gametes)

A: Gonad is the term used for referring to the primary organs of the reproductive system. In females,…

Q: ovulation is triggered by a surge of _____ released from the anterior pituitary. Progesterone, LH,…

A: NOTE: The options are numbered as 1, 2, 3, and 4. The ovum or the egg is the female reproductive…

Q: Compared to separate sexes and assuming self-fertilizing is not possible, what might be one…

A: Hermaphrodite  The organism that possess both sex organ male and female together inside the body are…

Q: Inhibition of the release of GnRH from the hypothalamus will O stimulate production of estrogen and…

A: Hormones are the chemical messengers that are secreted by the glands in the body. They are essential…

Q: What barriers must a sperm cross in order to fuse with the egg? How does the sperm accomplish this…

A: The union of two haploid gametes, the spermatozoa and the oocyte, hereafter referred to as the egg,…

Q: Which hormones secreted by the ovary induce development of the highlighted layer during the…

A: The system has a group of organs that help in the production of egg cells, transport these eggs…

Q: What is true about the reproductive susyem? 1-70% of babies are born formectopic pregnacies 2-The…

A: The female reproductive system is responsible for the production of egg cells, the transportation of…

Q: OPU can be done in cows every 3-4 days to obtain oocytes/eggs in the absence of ovarian…

A: Ovum pick up (OPU) is the interaction by which oocytes (egg cells) are suctioned from the follicles…

Q: the process of embedding of -7 fertilized ovum in the endometrium of the uterus is Fertilization O…

A: The uterus is a hollow muscular organ located in the female pelvis between the bladder and rectum.

Q: Seminiferous tubules, ampulla of vas, rete testis, efferent ducts, ductus epididymis Seminiferous…

A: A series of ducts are involved for the passage of sperms to the outside of the body.

Q: Briefly explain the contradictory roles of estrogen in the humanfemale reproductive cycle.

A: The female reproductive system consists of internal and external sex organs. It produces gametes,…

Q: Consider the anatomy of the testicle, as seen in the bull testicle dissection in lab. The vas…

A: Semen, the fluid that contains sperm, is produced, stored, and transported by a complex set of…

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: Which of the following is NOT a function of sustentacular cells? O Maintain a blood-testis barrier…

A: A sustentacular cell is a type of cell that provides structural support. These cells are found in…

Q: After ovulation, the secondary oocyte enters the oviduct. Passing by the fimbriae it enters the __

A: The secondary oocyte is released from the mature Graafian follicle of the ovary during ovulation…

Q: strogen level is usually low the beginning of the menstrual cycle. What causes it? 1. positive…

A: Estrogen is a female sex hormone that helps in the development and regulation of the female…

Q: Estrogen is secreted by... OA. The anterior pituitary OB. The uterus OC. The hypothalamus OD.…

A: The question is asking about the source of estrogen, which is a primary female sex hormone. It plays…

Q: In females the shedding of the uterine lining (a menstrual period) is stimulated by _________.…

A: Menstruation in females is a cyclic process that occurs every month. It lasts for about 3-5 days. It…

Q: Under the influence of androgens, theembryonic ______ duct develops into themale reproductive tract.

A: Testes, scrotum, spermatic ducts, sex glands, and penis together form the male reproductive system.…

Q: What is the best term for describing the genetic advantage in offspring which exhibit more…

A: Heterozygosity refers to the presence of different alleles (alternative forms of a gene) at a…

Q: inhibin is one hormone that acts as a negative feedback inhibiting sperm production. Which is the…

A: Inhibin is one hormone that acts as a negative feedback  inhibiting sperm production. The  hormones…

Q: What is the process of union between ovum and sperm to form zygote termed Cleavage Segmentation…

A: Introduction: The reproductive system serves the four major functions: Production of sperms and…

Q: There is a decrease of E2 at the and of the menstrual cycle. What cuses it? 1. negative feedback of…

A: The E2 is also known as estradiol and is a female sex hormone that regulates female secondary sexual…

Q: Vnich or the foliwing structures is not made up (severai cels! Seminiferous Tubule Follicle O…

A: A cell is the structural and functional unit of life. All living organisms are made up of cells.…