4. Sarcomas and hematopoietic cancers are both derived from which germ layer? A. Ectoderm B. Mesoderm C. Endoderm D. Neural Crest

Q: Which of these functions explains the role of hormones in the reproductive systems? A. Influence…

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

Q: In females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization…

A: Gametogenesis is a process by which gametes are produced through meiotic division. Sperm and egg…

Q: Placenta ... a) ... develops from trophoblast cells. b) ... develops from embryoblast cells. c)…

A: Pregnancy occurs when the male gamete sperm fuses and fertilizes with the female egg that is…

Q: 11. At which stage does the embryo start to obtain nutrients through placental exchange? A.…

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

Q: The mesoderm gives rise to   a. structures derived from epidermis, such as hair, feathers, nails,…

A: The process called gastrulation is the most characteristic event occurring during the third (3rd)…

Q: Gametogenesis requires the conclusion of meiosis II. When does this occur in females? a. During…

A: Step 1 The major events in human reproduction are gametogenesis, cyclic changes in the human female…

Q: The cells that pull the archenteron through the blastocoel in the sea urchin are _____ cells called…

A: The early stage in the development of the embryo is referred to as gastrulation. Gastrulation is a…

Q: The umbilical arteries do the following: A. take deoxygenated blood and waste away from the…

A: Introduction :- Blood that has a low oxygen saturation compared to blood exiting the lungs is…

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: 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: 9.The combining form metr/o means: A. measure B. multiple C. uterus D. ovary 10. The suffix -salpinx…

A: Medical terminology is composed of prefix, root word and suffix. Prefix is used at the beginning of…

Q: The main function of the acrosome reaction is to (a) activate the egg (b) improve sperm motility (c)…

A: Answer is d.)facilitate the penetration of egg coverings by the sperm.

Q: 1. If there are around 200M point spermatozoa in the seminal fluid, estimate how many spermatocytes…

A: Spermatocytogenesis is the initial stage of spermatogenesis, which occurs in the male gonad of…

Q: At what stage uteroplacental circulation started?  a.Maternal blood entering the lacunar  b.Embryo…

A: The uteroplacental circulation is a circulatory framework where two circulation systems, the fetal…

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: 5) The body symmetry that allows for the body to be bisected into equal halves in only one plane is…

A: 5) The body symmetry that allows for the body to be bisected into two equal halves in only one plane…

Q: 3. a) Which of the following is not a teratogen: x-rays, folic acid, alcohol, mercury, HIV,…

A: These are questions about pregnancy and birth.

Q: How do you expect Kartagener syndrome leads to infertility?   A. The lack of a plasma membrane means…

A: Primary ciliary dyskinesia(PCD) is a rare autosomal Recessive genetic disorder. PCD is a genetically…

Q: male contraceptive

A: The process of fertilization involves a sperm fusing with an ovum. The sperm plasma then fuses with…

Q: In humans, the development of fertilised egg takes place in the: (a) ovary (b) testis (c) oviduct…

A: Fertilization in humans refers to the fusion of human sperm and egg. This process occurs in the…

Q: If cells from the presumptive neural ectoderm of a frog gastrula are transplanted onto the surface…

A: The gastrula formation occurs during the early stage of cell development. During gastrulation the…

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: 3. The epithelial tissue which is found in the uterine tubes is? A. Squamous B. Ciliated C. Columnar…

A: Ciliated epithelial cells  are the main cells in uterine tube lining which cause propogation of ova…

Q: 4. As the embryo develops, what do the amnion and the yolk sac become, respectively? a. A sac that…

A: The amnion is filled with the amniotic fluid due to which the amnion expand and provides protection…

Q: Muscles are formed by the Group of answer choices   A. ectoderm B. mesoderm C. endoderm

A: Muscle is defined as a group or collection of muscle tissues that contract collectively to create…

Q: List the stages of development once the egg is fertilized

A: The cycle in which a life form creates from a solitary celled zygote to a multi-cell creature is…

Q: 1. Embryonic development occurs during this period. A. from the ninth week of gestation to birth…

A: Here I discuss about embryonic development and gastrulation.

Q: How do you make a three-parent baby? OA. Replace intended Mom's nucleus with a donor's nucleus. B.…

A: The sperm cell swims up to the egg and fertilizes it, leading to the formation of a zygote. This…

Q: 1. Which of the following layers protect the mammalian oocyte during ovulation? * a. cortical and…

A: Structure of mammalian Oocyte:  mature mammalian Oocytes have many layers before ovulation- Follicle…

Q: 12. During pregnancy the endometrium thickens and is called; A. Basal layer B. Compact layer C.…

A: Isoimmunisation is Rh incompatibility disease of the fetus. When a pregnant woman's blood protein is…

Q: Rose tells you her sister was only in labor 1 hour when she had her baby. Rose is planning to spend…

A: Yes we will advice her not to go for camping in her last day of pregnancy.

Q: For each embryonic tissue type, write one organ or differentiated cell type that is derived from…

A: Introduction:- The endoderm (inner layer), ectoderm (outer layer), and mesoderm (middle layer) are…

Q: 1. In Deuterostomes, nutrient molecules (monomers) are taken into the space between the endoderm and…

A: Question -1. In Deuterostomes, nutrient molecules (monomers) are taken into the space between the…

Q: Match the 3 germ layers with the specific structures they will develop into.   Question 10 options:…

A: The reproductive growth process takes place in three principal stages. The first two weeks after…

Q: Match the tissue to the germ layer it develops from. Question   Epithelium   Central nervous…

A: Introduction: The three germ layers are notably noticeable in vertebrates during embryonic…

Q: What is the primary purpose of the fertilization membrane? a)Provide the growing embryo with food…

A: Sperm and egg (ova) are male and female gametes respectively. Fertilization is key process in sexual…

Q: What part of an infant’s body is said to stay in an immature state until needed to produce more…

A: Human stem cells are one-of-a-kind cells that have the ability to differentiate into a wide range of…

Q: A change in the amount of yolk and its distribution in the egg will affect:   A Fertilization…

A: Fertilization is the fusion of haploid male and female gamete results in the formation of the…

Q: Your cousin just had twins. She tells you that twinning occurs when two sperm fertilize the same…

A: Proliferation (or multiplication or rearing) is the natural cycle by which new individual life forms…

Q: If there are 400M ovum/egg cells in a 1point woman's body, how many primary oocytes are there during…

A: An oocyte is essentially an immature egg. Oocytes becomes mature within follicle. These follicles…

Q: 4. The diagram below represents a cross section of a part of the human female reproductive system.…

A: Fertilization occurs in the fallopian tube, which connects an ovary to the uterus. An embryo begins…

Q: The cells indicated by the tip of the red arrow A) produce testosterone B) are the interstitial…

A: In the given section of slide showing various cells.

Q: The fetal period is (a) from weeks 9–38, (b) the time of rapid growth of body organs, (c) a time of…

A: Introduction  The usual gestation period in human females lasts for about 40 weeks which is…

Q: atch the germ layer on the right with its contribution to the tissues and organs of the embryo, on…

A: Endoderm, ectoderm, and mesoderm are the three germ layer types. Tissues and embryonic organs…

Q: Outline the events of oogenesis. Why is oogenesis a significant process for egg production

A: A small group of cells in the outer region of the cortex are developed into millions of primordial…

Q: 1. Shortly after implantation, tissue from the embryo normally grows into the wall of D с. C B d. A…

A: The given figure is that of female human reproductive system .