Q: List the stages of fetal development and what happens at each stage.
A: A female body goes through a reproductive cycle every month. This cycle can end in mainly two ways :…
Q: 1. In general, how does the overall size of the blastula compare with that of the fertilized egg?
A: Fertilized egg is the first stage of the development. First this cell divides into two, then into…
Q: 5) List the stages of fetal development and what happens at each stage.
A: Every month, a female body goes through a reproductive cycle. This cycle can terminate in one of two…
Q: 4. Some stages in the development of an individual are listed here. A = differentiation of cells…
A: When sperm fertilizes the ovum, then the formation of a zygote occurs. The zygote undergoes cleavage…
Q: What is a yolk? What is its role in fertilization and development?
A: Extraembryonic membrane: The blastoderm in different species like birds, mammals, and reptiles give…
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: 8. Name the two indicated structures below the arrow, seen here in the PinuS ovule.
A: Plants are majorly divided into 2 types they are vascular plants and on vascular plants. Non…
Q: Why is it better to prevent teenage pregnancy? 2. What are the consequences of teenage pregnancy?
A: 1) Teenage mothers are more likely to receive below-average language and reading scores and have…
Q: 5. Do other organs or organ systems develop at the same time? Are they related to the function of…
A: Question number 5 is incomplete, Hence cannot be answered. Answer 6: If the nucleus of a non-motile…
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: 6. Name the three major derivatives of the ectodermal germ layer.
A: The endoderm (inner layer), ectoderm (outer layer), and mesoderm (middle layer) are the three basic…
Q: _1. How many spermatids will be formed from 4 primary spermatocytes?
A: The germ cells that go through the meiosis process are called spermatocytes. Primary and secondary…
Q: II. This type of cell division occurs during the formation of both sperm and ovum. The first meiotic…
A: Answer is option d.) one secondary oocyte and one polar body.
Q: 1)Name the event above. 2)Name the only TWO germ layers that give rise to your feet.
A: Answer1- Fertilization is a set of complex events that combine the combination of two gamete to…
Q: Why do sea urchins have external fertilization? What are the adaptive advantages of external…
A: Fertilization, also referred to as syngamy, generative fertilization, and impregnation is the fusing…
Q: 1. What are the phases of group development and give example of each?
A: We know that Group Development means to form the association of individuals to work as a group and…
Q: 4. During fertilization, what process allows steps 1-4 to occur, as shown here? Tail- Outer layers…
A: Fertilization is the process by which the male and female gametes fuse to form the zygote, which…
Q: Discuss the importance of the acrosomal cap of the sperm cell. Give its importance during…
A: Introduction Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…
Q: List the stages of embryonic development and what happens at each stage
A: Human fertilization occurs when the haploid sperm cells fertilize the haploid gamete. Embryonic…
Q: 1-Propose continuous growth. an example of an (non-insect) animal with indirect post-embryonic…
A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…
Q: Discuss what happens at the three stages of labor.
A: Labor, the means of transporting the child and the placenta from the uterus to the vagina to the…
Q: Which cell contributes the necessary nutrition to the growing zygote? a a polar body b the egg…
A: Introduction: A zygote is a eukaryotic cell created when two gametes fertilise each other. The…
Q: male contraceptive
A: The process of fertilization involves a sperm fusing with an ovum. The sperm plasma then fuses with…
Q: 22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. releases…
A: According to guidelines we have to answer the first question only. so please kindly post the…
Q: What is the role of the Arbacia fertilizin in the fertilization of an ovum? 4. What prevents…
A: Following are the summarization of events taking place in fertilization in sea urchin species- (1)…
Q: 26 Using the diagram below, describe the changes that occur if a fertilised egg becomes implanted in…
A: A multitude of factors must come together in order for a baby to be born. The development of a human…
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: 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: 4. Look at the structures that the arrows point to below. What do these structures become once…
A: The structure shown in the above picture is termed as ovules.
Q: what are the stages of fetal development and what happens at each stage?
A: The process of prenatal or fetal development occurs in 3 stages: germinal stage, embryonic period…
Q: How many sperms will be formed from 16 secondary spermatocytes?
A: Gametogenesis is a process through which male and female gametes (sperms and eggs) are formed in the…
Q: 9. Some biologists contend that the term double fertilization is a misnomer and that the process…
A: Fertlizatiion is the process of the male gamete, sperm, fusing with the female gamete, the ovum,…
Q: 7) List 2 processes that the placenta takes over by the end of the first trimester in humans.
A: The placenta takes over the production of progesterone and human chorionic gonadotropin by the end…
Q: What’s the significance of studying the different stages of a chick embryo?
A: Developmental Biology is the branch of Biological Sciences that deals with all the mechanisms…
Q: 1. Why are the accessory glands of the male so important in reproduction?and Why doesn't women…
A: Testis is the main reproductive organ (gland) in males. It produces sperm and testosterone. Not only…
Q: 7. The human female reproductive system is represented below. What structure represents the site of…
A: The parts of the human female reproductive system consist of- Ovaries or fallopian tube Uterus…
Q: 5. What are the four extraembryonic membranes in fetal development? A. O acrosome, placenta, plasma…
A: During the development of chick and other vertebrates, certain specialised embryonic tissue or…
Q: 1. Spermatogenesis is the process in which an animal produces 2. Oogenesis is the process in which…
A: *NOTE: Kindly repost for other questions Dear Student as per the guidelines we are supposed to…
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: 5. List the stages of fetal development and what happens at eache stage
A: The sperm fuses with an egg to give rise to a zygote. Both sperm and egg are haploid, but the zygote…
Q: What are the functions of the interstitial cells and sertoli cells in sperm development?
A: Introduction The two basic requirements of the organisms two sustain life are Food and…
Q: 1. What is the sex of a pigeon and the crest of a pigeon a product of?
A: We are answering first question only. Fir rest of questions pls repost.
Q: 17. A researcher discovers a certain genetic disorder is appearing more often in males than in…
A: Genetics is the study of genes, their interactions, and the effect of environment on genes. Broadly…
Q: 3. List the stages of development once the egg is fertilized.
A: Animal development is the process in which a fertilized egg undergoes cell division and cellular…
Q: 8. In the schematic of spermatogenesis below: name the processes A, B, C and D and m labeled cells.
A: Spermatogenesis is the development of sperm cells in male reproductive organs or particularly…
Q: 1. How many sperm cells will be formed from 8 primary spermatocytes? __1. How many daughter cells…
A: Reproduction is a process by which life on earth sustains. There are different types of cell…
Q: How many parents is needed in asexual reproduction? Sexual reproduction? 2. How will you describe…
A: Reproduction is the biological process by which new offspring are produced from parents, which is…
Q: What restrictions, if any, would you place on pregnant mothers?
A: It's critical to take good care of yourself before, during, and after your pregnancy. It can aid…
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…
Step by step
Solved in 2 steps
- 3. List the stages of development once the egg is fertilized.6. How are sperm and egg cells produced?12.Place the following events of the acrosomal reaction in the correct chronological order. (1) The acrosome releases hydrolytic enzymes. (2) Sperm-binding proteins on the membrane bind the sperm. (3) Sperm nucleus enters the egg. (4) Sperm and egg plasma membranes fuse. (5) Sperm contacts the egg's jelly coat (This is a multiple choice question choose the answer from the choices below) A.1,2,4,3,5 B.3,5,2,1,4 C.5,2,4,3,1 D.5,1,2,4,3
- 3. (a) What are the four processes that drive embryonic development? (b) What two processes drive morphogenesis in a developing embryo?5. Do other organs or organ systems develop at the same time? Are they related to the function of your assigned organ or organ system? 6. A previously infertile couple wishes to have a pregnancy but the man produces non-motile sperm. If it were possible to fertilize one of the woman's eggs by removing a sperm nucleus and injecting it into the egg, could this procedure ever produce viable offspring? Why or why not? dorotondin3. During the course of successful prenatal development, a human organism begins as a(n): A) Zygote and finally develops into a fetus C) Embryo and finally develops into a zygote B) Zygote and finally develops into an embryo D) Fetus and finally develops into an embryo
- 12.Place the following events of the acrosomal reaction in the correct chronological order.(This is a multiple choice question choose the answer from the choices below) choose the best answer. Thank you! (1) The acrosome releases hydrolytic enzymes. (2) Sperm-binding proteins on the membrane bind the sperm. (3) Sperm nucleus enters the egg. (4) Sperm and egg plasma membranes fuse. (5) Sperm contacts the egg's jelly coat A.1,2,4,3,5 B.3,5,2,1,4 C.5,1,2,4,35. Outline the events of oogenesis. Why is oogenesis a significant process for egg productionWhat are egg coats, and what is their function? What egg coats do mammalian and bird eggs have?