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

Q: The frog, Rana pipiens, has 13 pairs of chromosomes. How many chromosomes would be expected in: a…

A: Chromosome Rod shaped, Self-replicating dark strained genetic structure containing organized DNA…

Q: Of the various stages of human life, the earliest time that an arrested primary oocyte would resume…

A: Human development occurs through different stages during the progress of life through changes in…

Q: Which of the following releases human chorionic gonadotropin (hCG)? a. inner cell mass b.…

A: Human chorionic gonadotropin (hCG) has properties similar to those of luteinizing hormone of…

Q: The number of chromosomes present in eurkaryotic cells a. is consistent during the life cycle b. is…

A: Eukaryotic cells consist of a nucleus and other organelles. Eukaryotic cells surrounded by the…

Q: 3. (a) What are the four processes that drive embryonic development? (b) What two processes drive…

A: Embryonic development involves the stages of development from formation of a single celled zygote…

Q: Briefly describe follicular development during the human ovarian cycle and how this is coordinated…

A: Since there are multiple questions in this particular question, I'll answer the first one for you.…

Q: Invagination of the sea urchin blastulaA. is preceded by changes in the shape of individual…

A: Invagination is a process occurring during gastrulation. It includes movement of cells at the…

Q: Why is a second polar body expelled after fertilisation?   a)   To remove excess cytoplasm   b)…

A: The second polar body is a small, non-functional cell that is produced during oogenesis after the…

Q: 24) The process of gametogenesis starts with a stem cell in the gonads and produces gametes used in…

A: Male and female gametes are formed by the processes of spermatogenesis and oogenesis, respectively.…

Q: Match the following with the term that best describes them ✓number of cells after meiosis ✓number of…

A: Reproduction is a biological process that is necessary for the survival of each species by the…

Q: Which of the following statements is FALSE? a. VegT and Veg1 induce both dorsal and ventral…

A: Here, we have to select the incorrect statement regarding development.

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: fertilization involving two different sized gametes

A: C. Fertilization involving two different sized gametes.

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: 16. During chick and human development, cells that form the embryo come from the A. epiblast B.…

A: Embryo It is form after the formation of zygote which later turn into foetus.

Q: Label each tissue with the specific source germ cells: v Gastrointestinal tract A. Intermediate…

A: We are tripoblastic organisms that means we contains three types of germ layers that includes…

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: Which of the following is generated by the totipotent fertilized egg, but not by the pluripotent…

A: Stem cells are specialized cells in humans which have the capacity to develop into different cell…

Q: In general, mammalian sperm are viable even if they are aneuploid, but pollen grains (a.k.a. “plant…

A: Sperm is the microscopic, elongated haploid motile male gamete or also called as paternal gemate.…

Q: The zona pellucida is important in mammals because it...

A: The zona pellucida is a thick extracellular layer that covers all mammalian eggs and preimplantation…

Q: Cleavage... A. Is a developmental stage consisting of a cell layer surrounding a fluid-filled space…

A: Fertilization is the process by which the sperm and the egg combine to form a zygote, which is 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…

Q: Which of the following is true about Cleavage? Choose all possible answers a. At the end of…

A: Cleavage is the process of cell division in the developing embryo following fertilisation in…

Q: 21.What is external to and between the seminiferous tubules and release testosterone in response to…

A: Endocrine glands are ductless glands and release hormones directly into the bloodstream. Examples of…

Q: omental genetics terms with their correct definition.

A: Developmental Biology : It is the study of the process by which animals and plants grow and develop.…

Q: Neurulation in model vertebrates and in fly follows soon after gastrulation. Do vertebrates and…

A: "The development of the nervous system is a complex process that occurs during embryonic development…

Q: 20. The structure that attaches the mammalian embryo to the placenta is a. hypothalamus. b.…

A: Reproduction is the process of producing young ones from the parent.