What part of the blastocyst develops into the embryo?a. Yolk sacb. Placentac. Polar bodyd. Inner cell mass

Q: The timing of puberty can be influenced by which of the following? a. genes b. stress c. amount of…

A: BASIC INFORMATION  PUBERTY  It is basically the process in which there is changes in the body.  The…

Q: The seven-day blastocyst: A. has a single layer of trophoblast at the embryonic pole B. has an…

A: The correct option is C.

Q: The umbilical cord connects the developing fetus to thea. mother’s belly button.b. placenta.c.…

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

Q: Describe how the human blastocyst gives rise to the embryo and its extraembryonic membranes.

A: The fusion of male and female gametes form a zygote during fertilization.

Q: Nutrient and waste requirements for the developing fetus are handled during the first few weeks by:…

A: Endometrium is the innermost lining of the uterus which undergoes cyclic changes during…

Q: Which syndrome can affect the gonad?  a. Turner Syndrome b. Klinefelter Syndrome c. Both d.…

A: INTRODUCTION Turner syndrome Turner syndrome is the syndrome that affect gonad. This syndrome is…

Q: The surface that enables active and passive exchange between the fetal and maternal bloodstreams is…

A: Answer is b.)  chorionic villi.

Q: Which of the following consists of both fetal and maternal tissues? (a)umbilical cord (b) placenta…

A: The unborn offspring that is known to develop from an embryo is called the fetus. The overall…

Q: Which of the following is required for successful fetal development after the egg has been…

A: When sperm successfully enters and fuses with the ovum fertilization occurs. This genetic material…

Q: What do you think would happen if multiple sperm fused with one egg?

A: A pregnancy begins with preparation when a lady's egg gets together with a man's sperm. Preparation…

Q: What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? a. The…

A: Implantation is the process that signals that the pre-embryonic development stage is completed. This…

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 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: 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: The feature that distinguishes a fetus from an embryo is that the fetus has a. All of the organ…

A: Answer is a.) All of the Organ systems.

Q: . The structure labeled C, within which development occurs, is known as the a. placenta. b. oviduct…

A: The picture is showing the foetus in the womb of mother.

Q: What event occurs in the second stage of Labour? Answers A E A expulsion of fetal membrane B Relaxed…

A: Normal Labor:  Labor is series of events by which product of conception expelled out to outer world.…

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 period from the woman's ovulation to the start of menstruation called? a) The uterine…

A: There are two types of reproductive cycles in mammals. These are the Estrous cycle and the Menstrual…

Q: The..........is a hollow ball of cells that develops from the morula. a) Blastocyst b) Oviduct c)…

A: The fusion of male gamete (haploid) and female gamete (haploid) is known as fertilization. It…

Q: Discuss the adaptations of a woman’s body to pregnancy?

A: Gestation or the pregnancy is the period during which offspring develop within a woman. In humans,…

Q: If the egg is NOT fertilized, the lining of the uterus will shed.  This is called?

A: In the event that the egg is fertilised by a sperm cell as it goes down the fallopian tube,…

Q: How does the fertilized egg give rise to the adult body?

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

Q: Which of the following statements is not true about the placenta?  A. It provides exchange of wastes…

A: During pregnancy, inside the uterus, the organ placenta develops. It is found attached to the wall…

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: During oogenesis the cell that is fertilized by a sperm to become an egg is:    A primary…

A: Oogenesis is the process of 'oocyte development 'in females. The resulting cell is called gamete…

Q: Placenta is the structure formed: A. by the union of foetal and uterine tissue B. by foetus…

A: The uterus or womb is a hollow muscular organ which is located in the pelvis of female between the…

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: Explain how the different germ layers give rise to different tissue types.

A: The three different germ layers are formed by the process of gastrulation in early embryo. It is the…

Q: What do the inner and outer surfaces of the placenta consist of? a) amniotic tissue and corpus…

A: Placenta is a organ that connects the mother's uterus with baby's Umbilical cord.

Q: How does the embryo get nourishment inside the mother’s body?

A: Embryo means the developing offspring from the time of approximately 2nd to 8th weeks after the…

Q: Which female organ has an endometrial lining that will support a developing baby? a. labia minora b.…

A: Reproduction is a biological process of forming offspring by the fusion of male and female…

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: The uterus rises out of the pelvis and becomes an abdominal organ about the:  a. Eighteenth weeks of…

A: Uterus is present in female, it's a hollow organ located between rectum and bladder.

Q: Match each structure with its function. + Fallopian tubes A. Opening to the uterus B. Tubes…

A: The correct structure with their function is matched below:

Q: What tissues and organs arise from the three germ layers in embryonic development?

A: In developmental biology, various stages are involved for the development of a foetus. Gastrulation…

Q: How is the Placenta as an Important Lifeline between Mother and Baby?

A: During pregnancy, an organ termed the placenta forms in the uterus. Several variables can impact the…

Q: The birth starts thanks to increased ...

A: The correct option is B . Release of Oxytocin

Q: After the eighth week of development an embryos is referred to as what?

A: After the 8th week of development, the embryo is referred to as "fetus"