Which gene is responsible for the development of the gonads into testes?

Q: After fertilization the blastocyst develops three germ layers. Which germ layer is the innermost…

A: In the human embryo , after about three days of fertilisation,the zygote forms a solid mass of cells…

Q: . List the major steps in oogenesis.

A: The both male and the female sexual reproductive organs are important for the reproduction process.…

Q: What causes the contraction of the uterus ?

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

Q: Describe the internal structure of a testis. Where are sperm cells produced? What are the functions…

A: BASIC INFORMATION  MALE REPRODUCTIVE SYSTEM  It includes different organs namely; Scrotum, Spermatic…

Q: Which structures develop from the neural tube and somites?

A: the structures that  develop from the neural tube and somites are :

Q: What is the main stimulus for the secretory phase of the endometrium?

A: Endometrium is the inner lining of uterus made of columnar epithelial cells. Its part of female…

Q: How many days after ovulation does implantation occur, and inwhat stage is the conceptus at that…

A: Implantation is the stage when the embryo adheres to the uterine wall after fertilization. Ovulation…

Q: What uterine events are occurring when primary follicles are maturing during the follicular phase of…

A: The menstrual cycle is a progression of regular changes in chemical creation and the constructions…

Q: What happens if the fallopian tubes are partially blocked and the ovulated eggs are prevented from…

A: The fallopian tubes are two thin tubes located on each side of the uterus. It is the site of…

Q: What are some examples of genetic conditions and teratogens thatcause birth defects?

A: The term genetic refers to the genome present in the cells of an organism. Genome is the complete…

Q: How does ovulation take place?

A: In mammals, the egg is ovulated as a secondary oocyte that is at metaphase of the second meiotic…

Q: Explain the Development of a human oocyte and ovarian follicle?

A: Oogenesis it is the formation of the ovum from undifferentiated primordial cells of the ovary. it…

Q: In cryptorchidism, one or both testes of an infant have not descended into the scrotal sac by the…

A: Cryptorchidism is the absence of testes (one or both) from the scrotum. It is a common birth defect…

Q: Why does menopause occur?

A: Menopause is the natural biological decline process that defines the condition of reproductive…

Q: How are the development events, which you have observed to occur in the testis and ovary,…

A: The initial processes of gonads development are essentially similar in both sexes consisting of…

Q: What are primordial follicles?

A: The process of the formation of life or living organisms from pre-existing living organisms is…

Q: To which structures do the mesovarium, ovarian ligament, and suspensory ligament anchor the ovary?

A: The female gonad that lies in pair along either side of the uterus in the female body's pelvic…

Q: How old is an ovulated oocyte of a 35-year-old woman? What consequences does this have?

A: Fertility changes with age. For a woman, the beginning of their reproductive year starts onset of…

Q: Name the three germ layers, and identify several types of structures thatarise from each.

A: Ans: Germ layers: The layers which are formed during the early stage of embryonic development are…

Q: Describe the progression from a primordial follicle to a dominant follicle?

A: The female reproductive system consists of two ovaries, oviduct, uterus, cervix, vagina, and…

Q: What are the stages of oogenesis? Describe all the ways in which it differs from spermatogenesis ?

A: Introduction: The process of formation of the egg cells in the ovaries of the fetus is known as…

Q: What cells of the blastocyst invade the endometrium?

A: Blastocyst is a 70-100 cell structure that gets implanted in the uterus. It is composed of two types…

Q: What is the state of gonadotropin secretion during pregnancy,and what is the cause?

A: During the time of pregnancy, there are several hormones released by the placenta and ovary for the…

Q: What are the functions of somites?

A: To define  functions of somites

Q: Name two types of cells in the testis other than the germ cells, and describe their locations and…

A: Ans: Testis: It is the male reproductive gonad or glands which is involved in the production of the…

Q: What are somites?

A: Somites A somite is a division of the body of an animals or embryo. Somites are bilaterally paired…

Q: What happens in the process of spermiogenesis?

A: Spermatogenesis is the formation of a haploid and functional male gametes (i.e — spermatozoa) from…

Q: Where does fertilization normally occur?

A: Reproduction ensures the continuity of species on earth. It can occur in two ways that is sexual…

Q: What type of cells surround the oocyte in a unilaminar follicle?

A: oocyte present in a unilaminar follicles. oocytes is an cell present in the ovary which form ovum…

Q: What would happen if human chorionic gonadotropin levels did not rise adequately during pregnancy?

A: Hormones are chemical messengers secreted by the glands present in the body. They are responsible…

Q: What happens during the secretory phase of the endometrium?

A: The uterine cycle represents the cyclic changes that occur inside the uterus of a female.

Q: How does the femalegamete move from the ovaryto the uterus?

A: In the sexual mode of reproduction, gametes are the male and female reproductive cells that will…

Q: What happens to the follicle immediately after ovulation?

A: Reproductive system (or genital system) is used for the sexual reproduction. The female attains…

Q: What happens to the other Graafian follicles that have matured but not ovulated during the cycle?

A: Oogenesis is defined as the process by which the female sex cells or ova or egg cells are produced.…

Q: Identify the ovarian follicles that develop before birth and those that form after puberty.

A: The spherical cellular aggregation or follicles that are found within the ovaries of a female are…

Q: Which hormones are secreated by the placenta to maintain pregnancy?

A: The placenta is an organ that develops in uterus during pregnancy.  The placenta is the interface…

Q: Endometrium function?

A: UTERUS It is a major female secondary sex organ of the reproductive system in humans and most other…

Q: Is there a tube that sends ovulated oocytes from the ovary directly to the uterine tube?

A: Ovaries are attached to the outer surface of the uterus by ovarian ligaments. Uterine tube expands…

Q: At what stage is the oocyte at the time of ovulation?

A: In the female reproductive life, the menstrual or ovarian cycle occurs approximately once in every…

Q: Which hormone causes the regrowth of the endometrial lining of the uterus? a. testosterone b.…

A: The endometrium is one of the stars of the female reproductive system, playing the important roles…

Q: When does implantation of the blastocyst usually take place?

A: During fertilization, a sperm comes in contact with the zona pellucida layer of the ovum and induces…

Q: Why does puberty occur too late or too early in some individuals?

A: Puberty is a crucial stage in human development, marking the transition from childhood to adulthood.…

Q: Which germ layer of a blastocyst gives rise to muscle and connective tissues?

A: The mesoderm give rise to muscle ,connective tissue , lymphatic system bones,circulatory system,etc.

Q: What is the developmental fate of the inner cell mass of the blastocyst?

A: A diploid zygote is formed by the union of a haploid egg cell and a haploid sperm cell. The zygote…

Q: Can you explain oogenesis and the folllicular developments?

A: Oogenesis is the formation of the ovum in the female members of the mammals. It starts before birth,…

Q: What is the endocrinefunction of the placenta?

A: Placenta is the organ that develops in the uterus during pregnancy. This structure is essential for…