Placenta is the structure formed : by fusion of germ layers by foetus only by the union of foetal and uterine tissue by uterine only

Q: Fusion of pronuclei occurs during ________.a. spermatogenesisb. ovulationc. fertilizationd.…

A: A pronucleus refers to the haploid nucleus of either the sperm or the egg, both present in the…

Q: If an embryo splits at the two-cell stage, each of the resulting identical twins will have its own…

A: Identical twins:  The splitting up of the embryos into two at the two-cell stage leads to the…

Q: Differentiate between gametogenesis from embryogenesis.

A: Gametogenesis - It is the process of forming of haploid gametes from undifferentiated, diploid germs…

Q: Fill in the blank:  A portion of the uterus called the _______________________ extends downward into…

A: The reproductive system of an organism is also known as the genital system. It is the biological…

Q: Which of the following statements does NOT describe the events that occur if the ovum is not…

A: When the egg is not fertilised, the corpus luteum degenerates and stops producing estrogen and…

Q: Name the process of shedding of placenta from the uterus of mother after the birth of a baby.

A: When a sperm fuses with the egg a zygote is formed. This zygote further divides to form an embryo.…

Q: Which of the following is NOT a function of sustentacular cells? Absorb sloughed cytoplasm from…

A: The process of sperm formation and development (spermatogenesis) takes place in seminiferous tubules…

Q: TRUE OR FALSE During oogenesis, the second polar body forms the moment the oocyte is released from…

A: The primary oocytes undergo meiosis two forms a mature egg and three secondary polar bodies.

Q: Oogenesis produces_viable cell/s, and spermatogenesis produces_ viable cell/s О 4,2 О 1,4 O 4,4 O…

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

Q: A seminiferous tubule of the testis is lined with__________ epithelium.a. simple cuboidalb.…

A: Introduction: Seminiferous tubules are present within the sac-like structure called testes. It is…

Q: Which of the following statements are true? A) Fertilization typically occurs in the uterus. B)…

A: Fertilization is the process in which the fusion of two gametes takes place to form a new cell that…

Q: Thousands of sperm are produced each second insert numbers in the space is provided to arrange the…

A: According to the question, Thousands of sperm are produced each second insert numbers in the space…

Q: The placenta is formed from the embryo and the of the of the mother. O umbilical cord, oviduct O…

A: Reproduction is an important physiological process of all the living organisms. to increase their…

Q: This structure connects the ovary with the uterus.a. cervix c. uterine tubeb. vagina d. endometrium

A: Animal physiology and human anatomy is the branch of science that deals with the form and function…

Q: Which of the following is not a phase of the ovarian cycle? a follicular b. secretory C. ovulation…

A: The ovary is the primary female sex organ, localized on the sides of the lower abdomen in human…

Q: The part of the featus which occupies the lower pole of the uterus is called

A: Fetus is the unborn offspring. After the conception from end of the eighth week the unborn is…

Q: The onset of mensturation in the female is termed as?

A: The regular monthly discharge of mucosal tissue and blood is called menstruation. The mucosal tissue…

Q: The male gonads, or ___________ produce sperm in highly coiled tubes called _ _____. The female…

A: Humans are sexually reproducing and viviparous. The reproductive events in humans include formation…

Q: _1. Chamber that houses the developing fetus 2. Canal that receives the penis during sexual…

A: Since you have asked multiple questions, we will answer only the first three questions for you. If…

Q: Which of these fetal presentations is the easiest for vaginal birth?a. complete breechb. vertex…

A: Frank breech is a easiest breech for vaginal birth because it is easy to turn

Q: The myometrium is the muscular layer of the uterus, and the endometrium is the (a) serosa, (b)…

A: The uterus is the pear-shaped organ that belongs to the female reproductive system, and is located…

Q: What is the name of phase in menstrual cycle? Luteal phase Follicular phase Flow phase

A: The menses period, which usually lasts from day one to day five, is when the uterine lining is shed…

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: Directions: Rearrange the statements based on how a menstrual cycle occurs by writing numbers 1-10…

A: Introduction: Menstrual Cycle : The menstrual cycle is a sequence of natural changes in hormone…

Q: Which of the following is not properly paired?(A) seminiferous tubule—cervix(B) vas…

A: The given terms are related to the male and female reproductive organs. Reproduction is the process…

Q: Discuss the uterine cycle and the timing which  is required  for reproduction

A: The uterine cycle is also known as the menstrual cycle. This complex cycle is regulated by various…

Q: Which of the following statements about the menstrual cycle is false? a. Progesterone levels rise…

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

Q: Chemicals that pass through the placenta’s screen and mayharm an embryo or fetus are called…

A: The common chromosomal abnormality that occurs due to a missing or extra chromosome number is called…

Q: Which of the following is true about Organogenesis? Choose all possible answers. anterior pituitary…

A: Organogenesis Organogenesis is defined as an important event of embryogenesis (embryo development)…

Q: Which of the following would apply to the covering of the uterus? epithelial O visceral parietal…

A: The uterus is covered with a sheath called visceral peritonium which differs from parietal…

Q: The birth starts thanks to increased ... ... release of glucocorticoids from the fetus. ...…

A: The time between the initiation of productive contractions and the birth is referred to as the birth…

Q: Describe all the steps involved in the formation of an embryo from the reproductive cells of men and…

A: Answer: The reproductive cell in males are : SPERMS  The reproductive cell in females are : EGG

Q: Then the makes that keeps the endometrium in the uterus. A. pituitary gland; HCG B. ovary; estrogen…

A: Hormones are the chemical molecules which acts as a chemical messenger for different body tissues…

Q: days 1 to 5 of the menstru

A: The mensuration cycle is divided in to four phases 1. Mensuration phase 2. Follicular phase 3.…

Q: Which of the following statements is FALSE? The primary spermatocytes undergo mitosis. Secondary…

A: The life process of the formation of a new organism from existing organisms is called reproduction.…

Q: Which of the following is the best definition of parthenogenesis? O A single organism producing both…

A: Reproduction is the process occurring in living organisms that involves the development and…

Q: The fertilized egg enters a 2-week period of cell division. During this period, the fertilized egg…

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

Q: The cell formed after fertisation is called:         I.   Foetus        II.   Zygote       III.…

A: Fertilization is the process of fusion of male and female gametes. It is one of the essential…

Q: Which of the following signals the end of the reproductive period in females? menopause O…

A: Menopause

Q: the layer of the uterine wall that is shed during menstuation is

A: Introduction :- Normal vaginal bleeding that happens as part of a woman's monthly cycle is known as…

Q: Which of the following processes takes place simultaneously during the menstrual cycle? Early…

A: Introduction Menstrual cycle  The reproductive cycle in female primates is called menstrual cycle.…

Q: When cows have twin calves of unlike sex (fraternal twins), the female twin is usually sterile and…

A: Freemartin refers to a female twin born with a male and who is sterile with masculanized characters.…

Q: Give the name of the structure that the phrase describes. The number of primary germ layers that…

A: The development of a human embryo is called embryogenesis, which starts with the fertilization of an…

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…