Q: The brain and spinal cord develop from a longitudinal ectodermal channel called the _____.
A: Brain and the spinal cord consists of the central nervous system of the body and the nervous system…
Q: Advantages and disadvantages of sexual and asexual reproduction
A: Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete…
Q: D А- -E B- C- OALL
A: Structural changes occurs in different stages of chick embryo.The 72 hour chick embryo shows the…
Q: Each egg cell develops in its own fluidfilled space called a/an _____.
A: Each egg cell develops in its own fluid-filled space called a/an Follicle. The follicle assumes a…
Q: In the fallopian tube, an egg cell is moved toward the uterus by: simple columnar epithelium…
A: The uterus is connected to the ovaries through two long, narrow tubes. The ovaries send eggs to the…
Q: Post operation of ectopic pregnancy
A: * An ectopic pregnancy occur when early pregnancy becomes implanted outside the cavity of the…
Q: The coiled tube in the male reproductive system where the sperm mature after being produced by the…
A: According to the question, we have to mention the name of the coiled tube in the male reproductive…
Q: The bladder like structure in the amniotic egg
A: The allantois (plural allantoides or allantoises) is an empty sac-like design loaded up with clear…
Q: A seminiferous tubule of the testis is lined with__________ epithelium.a. simple cuboidalb.…
A: Introduction: Seminiferous tubules are present within the sac-like structure called testes. It is…
Q: Research on the effects of other stresses to the fetus. Moreover, debunk or prove that eating…
A: In humans, a fetus is an unborn infant that develops and grows inside the uterus. The fetal phase…
Q: Egg and sperm development
A: Egg is also called ovum and it is the female reproductive cell.A sperm is haploid male gamete.When…
Q: To explain: The difference between sexual and asexual reproduction and describe the advantages of…
A: Reproduction is the biological process of producing offspring for their parents. It is an essential…
Q: why it is difficult to determine the sex of a newly hatched canary than a newborn puppy.
A: Reproduction is the process by which parents create new people or offspring. This procedure assures…
Q: Summary about the female and male reproductive systems with their functions and characteristics
A:
Q: What happens to boys and girls at puberty
A: Puberty is the duration of life when boy or girl becomes sexually mature.It generally occurs between…
Q: Oogenesis
A:
Q: fertilization involving two different sized gametes
A: C. Fertilization involving two different sized gametes.
Q: An oocyte lives for only 24 hours after ovulation if it is not fertilized. The trip down the uterine…
A: The Fallopian tube serve as the site for fertilization. Fertilization specifically occur in the…
Q: Drinking alcohol during pregnancy and how it affects the fetus and newborn.
A: After the fusion of an ovum and spermatozoon, pregnancy is defined as the presence of a developing…
Q: Briefly explain why each of the following statements is false, or reword it to make it true 8. The…
A: The cell is the basic structural and functional unit of the body. It is responsible for various…
Q: Research of Pre operation of ectopic pregnancy
A: Ectopic pregnancy is a medical emergency. If the lumen of the uterine tube is partially occluded…
Q: Which organs are responsible for producing fluid to give sperm nourishment and motility
A: Sperms are produced in the testes of males. The male reproductive system produces sperm that are…
Q: Gastrulation in birds and mammal
A: Gastrulation is the process during embryonic development that changes the embryo from a blastula…
Q: The characterization of key features of each trimester.
A: Pregnancy has three trimesters and each has specific characteristics.The total pregnancy period…
Q: Why enzymes are important in fertilization
A: Enzymes are proteins that aid in the speeding up of metabolism, or the chemical events that occur in…
Q: Which evidence can use to support embryologic.
A: According to the question, we have to explain which evidence we can use to support embryologic. So,…
Q: Finding the size of a sea urchin embryo
A: Determining the size of sea urchin embryo
Q: Difference between asexual and sexual
A: Reproduction is the basically a process by which creatures lead to posterity ( offspring). It is one…
Q: Aside from the nervous system, which other organs system develops out of the ectoderm
A: Integumentary system (SKIN)
Q: The embryonic membrane that is attached to the edge of the embryonic disk and surrounds the…
A: The placenta is an essential organ with different capacities, for example, endocrine, insusceptible,…
Q: This is the outermost layer that protects from water loss but allows for gas exchange: amnion…
A: An embryo is present at an early stage of the development of a multicellular organism. The formation…
Q: TWO differences between “zygotic embryos” and “parthenogenetic embryos
A: Zygote is a diploid cell formed by fusion of male and female reproductive cell. By continue division…
Q: Similarities of neuralation and organogenesis
A: Neurulation: It refers to the folding process in vertebrate embryos which includes the…
Q: How many sperm and egg cells will be produced if there are 20 spermatogonia and 10 oogonia that…
A: Gametogenesis is a biological process that involves the division and development of diploid or…
Q: the embryo development and cell layers
A: The embryo is developed from the zygote by the mitotic divisions. The zygote is formed after the…
Q: The ___________________ gives rise to the umbilical blood vessels.
A: The umbilical cord is a flexible cord-like structure, which contains blood vessels that attach a…
Q: 3: Embryonic development from zygote through gastrulation
A: The early stages of embryonic development begin with fertilization.
Q: The organization and function of placenta.
A: Fertilization of male and female gametes results in the formation of zygote at the…
Q: Which of the follwing structures is not made up of several cells? Seminiferous Tubule Follicle O…
A: Cells of the smallest unit of life. Cell consists of the cytoplasm enclosed within a membrane which…
Q: features
A: Gametogenesis is defined as the process of formation of gametes from the precursor cells . These…
Q: istinguish between gametogenesis and embryogenesis.
A: Gametes are the sex cells that are formed during sexual reproduction. The embryo is a developing…
Q: introduction of reproduction sytem, functions and major organs
A: To ensure the survival of the species, the reproductive system's primary role is. For an…
Q: Example of asexual reproduction
A: Asexual reproduction is a mode of replication that does not involve the fusion of gametes and a new…
Q: which has both foetal and maternal tissues
A: The basal plate , the peripheral region on the maternal side that is in contact with the uterine…
Q: enzymes. teratogens. placentas. neural networks.
A: chronic and extreme stress faced by a pregnant female may result in the abortion or problems in the…
Q: Conditions of the vagina
A: A vagina is a part of the female reproductive system which serves as a connection between the uterus…
Q: most common risk factors for non-physiological metaplasia
A: Metaplasia is a reversible change in which one differentiated cell type (epithelial or mesenchymal)…
Q: Events that occur from fertilization to the development of an embryo in animals
A: Answer: Introduction: Embryonic development in animals is also known as embryogenesis, is the growth…
Concept of embryonic development and fertilization
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