11. At which stage does the embryo start to obtain nutrients through placental exchange? A. fertilization b. implantation c. ovulation d. copulation

Q: The mature male reproductive cell that is discharged from the penis during ejaculation A.…

A: Humans are all made up of cells. The whole organism-bearing cells are diploid(2X) in nature. It is…

Q: 16.In what order do sperm move through the structures of the female reproductive tract? (This is a…

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

Q: How does the uterus aid in fertilization? a. it provides supplemental energy for the sperm b. it…

A: d. all of the choices is correct answer.

Q: 9. Name the stage of development represented by the three models. 10. The development stages…

A: Fertilization: it can be defined as the union of the nucleus of a sperm cell with the nucleus of an…

Q: 12. What's the zona pellucida? O A. Layer that protects the ovum O B. Area of the spermatozoa…

A: Ans. A glycoprotein layer called the zona pellucida participates in a number of critical activities…

Q: Regarding oogenesis, diplotene stage begins at a.birth b.Meiosis II c.7th month of fetal…

A: Diplotene is defined as the stage of meiosis II during which the homologous chromosomes remain…

Q: 1. Trace the pathway of spermatozoa of the male frog from the place of production up to the place of…

A: Reproduction is the production of offspring. In sexual reproduction, an organism combines the…

Q: During oogenesis, oogenetic inhibitors must be deactivated after full growth to allow the

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

Q: 13. What structure adjusts the position of the testes relative to the body according to the…

A: Ans. The male reproductive organ known as the testis is in charge of making testosterone and sperm.…

Q: 1. Discuss the significance of these structures which can be exhibit by some cestodes: a.…

A: There are two major phylums of helminths Nemahelminthes - also called the round worm…

Q: 1- If a blastula splits in two and two fetuses develop, what is created?   a. Fraternal Twins…

A: Identical twins are produced when a single zygote splits into two identical zygote and are called…

Q: What is the relationship between a primary spermatocyteand a spermatogonium?a. They are genetically…

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

Q: 7. The first trimester of pregnancy is also called the period. O A. embryonic O B. fetal O C. growth…

A: Pregnancy is typically divided into three trimesters, each lasting approximately three months. The…

Q: 1. DAY 1 (Gestational)- stage:____________ event:_________________________ 2. DAY 8 (Fertilization)-…

A: Gestational Stage is a term used during the pregnancy to describe the time period of the pregnancy.…

Q: which structure in the female reproductive tract contracts to catch the oocyte after ovulation a.…

A: The system of organs and tissues responsible for the development of gametes, fertilisation, and…

Q: 1. The male reproductive system includes all EXCEPT which of the following? A. testes B. epididymis…

A: The male reproductive system is a complicated network of organs and systems that produce and…

Q: 30

A: Introduction: The female reproductive system produces female egg cells, transports them to a mating…

Q: how will the sexual response differ for a male who had undergone a vastecomy? a. spermiogensis…

A: Vasectomy refers to the surgical sterilization procedure of men. In a vasectomy, the vas deferens…

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: Spermatogenesis takes place in the a. prostate.gland b. glans penis c. seminiferous tubules d.…

A: Postpartum care is the most essential part after the pregnancy because it reduces or avoids the risk…

Q: 14. Which hormone is responsible for the dilation of the cervix during childbirth? O A.…

A: Introduction: The placenta is an organ that connects the fetus to the mother. It facilitates the…

Q: 110. The second week of development, which of the following embryonic tissues actively invades the…

A: Introduction  The study of how animals and plants grow and develop is known as developmental…

Q: 32. What stage of embryo development is this? 33. Name the structure

A: Developmental biology is the branch of biology in which the development of the organisms from the…

Q: 9.Which among the following choices lists the three phases of the ovarian cycle in the correct…

A: Ovarian cycle is a series of events that happens during a period, which contains the follicle…

Q: When does differentiation begin? A. when the zygote forms B. when the zygote begins to divide C.…

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: 3) List the stages of development once the egg is fertilized. (When a woman and a man have sexual…

A: Human embryonic development, or human embryogenesis, refers to the development and formation of the…

Q: fertilization involving two different sized gametes

A: C. Fertilization involving two different sized gametes.

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: 1 Mitochondria of ti a. head b. midpiece tail

A: Sperms compose the male gametes of humans. The parts of sperm are the head, mid piece, tail and end…

Q: 12. The fluid there is enriched by the accumulation of foetal urine.  a. placental sinus b.yolk sac…

A: We can say that a single cell fertilized egg is transformed into a fully developed and independent…

Q: 1. Match the early embryo characteristics with the correct stage of development. Not all choices…

A: Embryology is a branch of science which deals with the study of embryo development. Embryology helps…

Q: . It is where the fertilized egg develops. * a. Uterus b. Cervix c. Ovary d. Vagina

A: Fertilization referred to as the phenomenon in which their occurs fusion of male with female gametes…

Q: 4. Sarcomas and hematopoietic cancers are both derived from which germ layer? A. Ectoderm B.…

A: "Cancer" is a fatal disease that has both physical and mental consequences for a person. Cancer can…

Q: During embryonic development, unique cell layers develop into specific groups of tissues or organs…

A: The development of a plant or animal embryo is called embryogenesis. This process starts with the…

Q: 3. Which is TRUE about asexual reproduction? A presence of zygote B. does not involve gametes C.…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: At what point in pernatal development does sexual dimorphism begin? a. 6 weeks b. 7 weeks c. 8…

A: During the prenatal period, sex determination and differentiation happen in a series of sequential…

Q: 5. Which of the following determines the sex of the offspring ? 1. The egg 2. Temperature 3. The…

A: Sex of an individual is either male or female. Male has XY genotype and female has XX genotype.

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: 11. The part of the placenta that attaches to the uterus is the O A. chorion O B. urachus O C.…

A: Ans. An organ that grows during pregnancy, the placenta acts as a bridge between the mother and the…

Q: Egg and sperm cells are...   A. Gametes   B. Diploid   C. Somatic cells   D. Zygotes

A: Sperm & egg go through fusion to a zygote. The zygote then will go through formative stages…