What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? a. The cells would not continue to divide. b. The corpus luteum would continue to produce progesterone and estrogen. c. Menses would flush the blastocyst out of the uterus. d. The uterine mucosa would not envelop the blastocyst.

Q: Where in the female body does fertilization normally occur? Question 23 options: a)  In the…

A: Fertilization means the fusion of egg (of female) and sperm(of male). The eggs get matured in the…

Q: Explain the physiological mechanism used by the Testes to regulate their temperature demand.

A: Testes are the primary male gonads in man. Each testis is oval in shape, with a length of about…

Q: Where does sperm production occur within the testis? a. rete testis c. seminiferous tubules b. myoid…

A: Step 1 Testes (Spermaries; Singular – Testis) are a pair of primary sex organs of the human’s males…

Q: Suppose, in an experiment, that you incubate isolated rat testes with hCG. What would be the effect,…

A: Human chorionic gonadotrophin (hCG) is defined as a hormone secreted or released during pregnancy by…

Q: 18. 19. 20. 21.

A: The Plant Kingdom is a diverse group, including organisms ranging from simple aquatic algae to…

Q: Early pregnancy tests used antibodies to detect the presence of human chorionic gonadotropin (hCG)…

A: The outermost membrane that surrounds the embryo is known as chorion. From the outer fold of the…

Q: a) How are oocytes released?  b) How are spermatozoa released?  c) What is the frequency of both?…

A: Meiosis is a cell division in which the diploid cell divides into a haploid cell, reducing the…

Q: Where are egg cells produced in a woman’s reproductive system? ____   Where does fertilization…

A: The biological system of an organism's reproductive system, also known as the genital system, is…

Q: A)Identify two differences (either structures or functions) between gills and lungs in terms of how…

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

Q: Compare and contrast the stages of oogenesis and spermatogenesis.

A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…

Q: How are the ovum and spermatozoa transported to the site of fertilisation? Describe the process of…

A: Fertilization is a natural life process that involves the union of male and female gametes,…

Q: How does oviposition occurs in female turtles. Provide the pathway involved in the oviposition…

A: Answer :- As we know that Males have a couple of penises that pass sperm from their cloaca to the…

Q: What is embryos

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: Chorionic villi develop from:- a. the zona pellucida. b. the endometrium. c. the…

A: Chorionic Villi sprout from the chorion after their rapid proliferation in order to give a maximum…

Q: How is colostrum most important to a newborn?a. It helps boost the newborn’s immune system.b. It…

A: Immune system is a complex organization of cells, tissues, and organs. The immune system important…

Q: In a female human, the oogonium forms when the female is a _____________.

A: Singular word – oogonium, the plural word is oogonia. Oogonia is an immature female reproductive…

Q: In the sentence "The placenta performs an important function for the fetus," what does the word…

A: The placenta is a temporary fetal organ that begins developing from the blastocysts shortly after…

Q: Why does only one sperm fertilize the egg, and why is this important?

A: Fertilization is the process in which gametes (an egg and sperm) fuse to form a zygote. The egg and…

Q: Question 2 Describe how a positive feedback process helps in childbirth.

A: Most cited example of positive feedback is labor and childbirth process.  When head of ferus…

Q: The process of gastrulation forms the _______. a. blastula b. zygote c. organs d. germ layers

A: Embryogenesis refers to a process in which the development of an embryo takes place. An embryo can…

Q: What are the different parts of a sperm? Explain their importance in fertilization.

A: Reproduction is an essential process in the sustenance of organisms. The male and female gametes…

Q: During which phase of the ovarian cycle is the ovum traveling down the oviduct? Oa proliferation b.…

A: Ovarian cycle refers to the series of events happened in the ovary during which the follicles got…

Q: Scientists hypothesize that stress decreases both the production and release of progesterone.…

A: Ans: The emotional as well as physical tension leads to stress. It is the action of body to…

Q: what term describes the narrow end of the uterus?

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

Q: pig fetus  Describe how the developing fetus exchanges material during pregnancy.

A: The placenta is a membrane, which surrounds the developing fetus during pregnancy. It provides…

Q: Explain in a 5-sentenced paragraph how hormones such as FSH,LH,estrogen and progesterone affect one…

A: The menstrual cycle includes the rhythmic sequence of changes that occur in the reproductive organs…

Q: What is the differences between Mammals and Frogs in Spermatogenesis?

A: Gametogenesis is the process of manufacturing gametes or daughter cells in gamete-producing mother…

Q: A 20-year-old woman with a history of irregular cycles complains of recent amenorrhea.  Blood tests…

A: Question is related to obstetric and gynaecology.  Detailed solution in step 2.

Q: If two sperm cells were able to fertilize the same oocyte, how many chromosomes would the zygote…

A: Healthy humans have 46 chromosomes, 23 from the sperm and 23 from the egg. It is widely known that…

Q: Explain the location of the testes in the fetal pig.

A: Anatomy can be defined as a branch of biology that is associated with the study of the organism’s…

Q: Tarzan and Jane both have a widow’s peak. Is it possible for them to have a child without one?…

A: Introduction :- A widow's peak is a characteristic, V-shaped hairline that is passed down down the…

Q: between  which  two consecuative stages did fertilization occur

A: Fertilization is a cell-to-cell interaction mechanism that takes place among two unique cells: a…

Q: Which statement accurately describes what occurs during the follicular phase of the ovarian cycle?…

A: ANSWER The first half of menstrual cycle is follicular phase and it starts first day of menstrual…

Q: what are the functions of the placenta

A: The question asks about the placental functions.

Q: Explain elwhy there is a high level of estrogen and progesterone once in every 28-day uterine cycle…

A: The ovarian cycle governs the preparation of endocrine tissues and release of eggs, while the…

Q: Which mechanism prevents an ovum from being fertilized by multiple sperm cells? A. Once a sperm…

A: An egg should be prepared by only one sperm in particular. To forestall polyspermy, the zona…

Q: Where oogenesis does takes place. Describe the stages of this process?

A: Diagrammatic representation of oogenesis: -

Q: The egg travels from the ovaries to the uterus via the ?????

A: Female reproductive system consists of organs and glands which are involved in reproduction  Female…

Q: The placenta function to Select one: A. Produce blood cells B. Provide nutrition for the growing…

A: The placenta is a temporary, membranous, vascular organ that develops in females during pregnancy.…

Q: why it would be harmful for a human mother’s blood to pass across the placenta and into the fetus?…

A: The unborn baby (foetus) relies on its mother for nourishment and oxygen during pregnancy. His or…

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: Explain the origins of the blastocyst cavity and what purpose does it serve?

A: The blastocyst is formed just after 5 days of fertilization.  It is composed of inner cell mass…

Q: What would happen if a blastocyst implanted into the functional layer of the endometrium and a…

A: It is at the blastocyst stage of development that an embryo would normally move out of the fallopian…

Q: Which structure is part of the female reproductive organ? A (A) A (B) B (C) C (D) D

A: The flower contains many parts such as stamen, pistil, sepals, petals and nectar glands. Flower is…

Q: Which sequence details the maturation of an oocyte and the process of ovulation? 1. Graafian…

A: The process of follicle and oocyte maturation occurs simultaneously in the ovary of females. The…

Q: A student argues that it is impossible for a woman to become pregnant during the flow phase of her…

A: Menstrual cycle is a cycle that lasts between 21 and 35 days .  The cycle lasts for about 45 years…