Q: diagrams
A: A process in which embryo ties with the endometrial surface of uterus and invades the maternal…
Q: Construct a diagram to explain FSH & LH and how their roles affect the female reproductive system
A: FSH ( Follicle stimulating hormone ), LH ( Luteinising Hormone), FSH and LH are the lipid hormones…
Q: umbilical cord is formed from the chori
A: Within the uterus, the cells start to divide and form a ball of cells known as the blastocyst. It…
Q: Explain the process of fertilisation.
A: Fertilisation is the process of the union of mobile sperm cell and immobile egg, generally taking…
Q: Fill in the blank: The cell resulting from fertilization is called a(an) ___________________.
A: The gametes are present in both males and females. These are the haploid cells that are required for…
Q: define organogenesis and indicate the important roles of the three primary germ layers in this…
A: Gastrulation is the process of early embryonic development where blastula transforms to form three…
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: is no fertilization, oocyte will arrested at?
A: OOCYTE_ An oocyte, is a female gametocyte or germ cell involved in reproduction. In other words, it…
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: a) Give two types of germ layer and what do they become (b)Briefly describe why it is important the…
A: Germ layers: a. The three layers of tissues that become established during the early embryonic…
Q: List the three primary germ layers.
A: After the fertilization of the egg cell and the sperm cell, a zygote is formed which undergoes…
Q: Describe the four stages of labor (along with the 4 phases of labor in the first stage).
A: To expel the viable product of conception out of the womb through the vagina, the events occurs in…
Q: List and explain the steps involved in fertilization
A: The fertilization has the following steps are as follows:1. Sperm Capacitation2. Sperm-Zona…
Q: With a line diagram trace the route of the sperm from the its point of production to the point in…
A: The fertilization is the process that involves the fusion of male gamete with the female gamete. The…
Q: Fill in the blank: When a primary oocyte divides, a secondary oocyte and a(an)…
A: Oogenesis is a growth process in which the primary egg cell becomes a mature ovum. The oogenesis…
Q: ________________________is the period of development from fertilization to birth, whereas is the…
A: Gestation is considered as the period between conception ( or certification) and birth when the baby…
Q: Which of the following scenarios does NOT describe an event that leads to the conceptions of twins?…
A: While twin pregnancies can occur by some coincidence, there are a few factors that may expand your…
Q: Discuss the effect an absence of interstitial cells would have on male fertility.
A: The reproductive system in males include glands, ducts, and their supporting structure. The glands…
Q: define germ cells
A: Germ cell is any biological cell which gives rise to gametes of an organism that reproduces…
Q: Oogenesis is the formation of the ovum within a follicle. A mature follicle containing an ovum,…
A: Answer : b.5 A mature follicle containing an ovum, prior to ovulation is called Graafian follicle
Q: What is fertilisation? Give examples
A: Human beings are sexually reproducing organisms. The male reproductive system consists of pair of…
Q: A. Observe the frog ovary and take note of the following structures: theca interna, theca externa…
A: Ovary This is a reproductive hormone where eggs are formed. There are a pair of ovaries present in…
Q: 1. How long is one menstrual cycle? 2. On which day of the menstrual cycle does the period start?…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: In cleavage states what is blastomeres, 2-cell stage, 4-cell stage, and 8-cell stage.
A: The question asks to define the blastomere stage (2-celled, 4-celled, and 8-celled).
Q: The endometrium thickens during the uterine cycle, but disintegrates if the egg is not fertilized.…
A: Menstrual cycle is the cycle of changes in hormone levels and endometrial lining of female…
Q: In stage 1 of labor, during active phase the cervix dilates? 4-7 cm 1-3 cm 8-10 cm 7-10 cm
A: Pregnancy refers to the development of the baby (fetus) within the mother's uterus. Pregnancy begins…
Q: Fill in the following table with the words from the list below. ovary | B. oviducts | C. vagina…
A: The internal and exterior sex organs that act in the generation of new children make up the female…
Q: Normal childbirth is driven by a positive feedback loop. Analyze the given diagram and discuss in…
A: Homeostasis is the maintenance of stable internal environment. Feedback system helps in maintenance…
Q: Draw and label the following parts: (a) membrane coverings of gonads (b) supporting cells of gonad…
A: (a) The membranes covering the male gonads (testis) are: (1) Tunica vaginalis, (2) Tunica albuginea,…
Q: Give a brief explanation on how chromosomal abnormalities affect prenatal pregnancy or birth.
A: Genetic conditions are conditions that are inherited to children due to faulty genes. Various…
Q: Place the number corresponding to the correct germ layer in the blank. ____ Mesoderm ____…
A: During gastrulation, the hollow sphere of balls called blastula develops into a gastrula.…
Q: Fill in the blank: ______________________ is the process by which a secondary oocyte is released…
A: The female reproductive system consists of ovaries, uterus, uterine tubes, vagina, and accessory…
Q: Compare and contrast external versus internal fertilization. Describe at least three major…
A: External fertilization External fertilization is a mode of reproduction in which a male organism's…
Q: Which row correctly identifies the function and a source of hCG, respectively? Select one:
A: Placenta is a structural and functional unit between developing embryo and maternal body .It is a…
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: Which of the following correctly describes the results of andropause? Select one: A. Lower sperm…
A: In Greek “Andras” means human male and “pause” means cessation, thus “andropause” is described as a…
Q: Fill in the blank: _________________ fluid protects the embryo from jarred movements and provides a…
A: Reproduction is a property shown by living organism in which one organism (parent) gives rise to new…
Q: In the adult Primordial Germ Cell, How many artia are present at thid stage? Discuss.
A: By the fourth week of pregnancy, primordial germ cells are seen near the allantois of the embryonic…
Q: In traditional accounts of fertilization, which characteristics are associated with eggs, and which…
A: The female reproductive cell, or gamete, in most anisogamous species is the egg cell, or ovum…
Q: Which of the following describes the role of Luteinizing hormone in the ovarian cycle? o Inhibits…
A: The hormones are basically secreted from the ductless glands called the endocrine glands. These…
Q: true or false: Identical twins are a result of totipotent cells splitting apart after one egg is…
A: Humans are sexually reproducing organisms in which the fertilization and embryonic development…
Q: Create a diagram showing the feedback loops involved in childbirth
A: Feedback loops are responsible for maintaining homeostasis. They respond to any stimulus or…
Q: Describe each stage of the development from fertilized egg to blastocyst stage
A: Fertilization is an important part of sexual reproduction. The nucleus of the male gamete or the…
Q: Draw a well labelled diagram of human foetus attached to the umbilical cord.
A: The fetus is the unborn offspring of a mammal at the later stages of its development, from eight…
Q: Illustrate a grastula showcasing the three germ layers and label it
A: Fertilization is the process in which male and female Gametes bind to form embryo . Embryo undergo…
Q: By looking at the picture above, describe the events that take place during fertilization up to the…
A: Fertilisation is q process of fusion of male and female games resulting in the formation of a…
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"
Q: Name two organ-system derivatives of each of the three germ layers.
A: A germ layer is a gathering of cells in an undeveloped organism that collaborate with one another as…
Q: In the diagram above, the cell that nourishes developing sperm cells and the cell that produces…
A: The picture is showing the T. S. Of testis. It is responsible for producing male gametes.
Step by step
Solved in 3 steps with 1 images
- Draw the end results of I, MI, and MII and fertilization showing how an XYY individual could occur.Explain how the different germ layers give rise to different tissue types.define organogenesis and indicate the important roles of the three primary germ layers in this process. what will develop from these three layers?
- Complete the concept map to describe the ovarian cycle phases, and relate them to events of oogenesis.Prepare a summary table on all the genes, molecules, protein factors responsible in the specification and differentiation of the male and female gonads.Identify the following parts in the micrograph below theca interna theca externa Follicle cells Vitelline membrane Yolk Germinal vesicle Atretic oocytes Oogonial clusters