Explain why growth of the blastomeres cannot take place  during cleavage?

Q: a. How many spermatozoa does one secondary spermatocyte produce?   b. Where in zygote does the first…

A: The male gamete "sperm" fuses with the female gamete "Ovum" and after this fusion "Zygote" develops.…

Q: If there are 7 spermatogonium that will undergo cell division, how many functional spermatozoa will…

A: Spermatogenesis is the process of production of male gametes(sperms) inside the seminiferous tubules…

Q: Explain block to polyspermy?

A: Polyspermy: - It is the process, where egg has been fertilized by so many sperms. In this condition…

Q: Define cleavage furrow

A: Cleavage furrow is formed in the cell when during cell division, the cytoplasm of the cell divides…

Q: How similar is the genetic information within each blastomere?

A: Blastomere: Its is a stage in early embryonic development. It is 2 celled structure formed by first…

Q: Why is it important for the ductus arteriosus and foramen ovale to both close after birth?

A: The foramen ovale typically closes a half year to a year after the infant's introduction to the…

Q: Describe briefly amniocentesis and its purpose.

A: The process of fertilization includes a sperm (male gamete) fusing with an ovum (female egg). In…

Q: Describe the formation and implantation of a human blastocyst

A: Developmental biology is the branch of science that includes the studies of a diversity of…

Q: Is a reaction mechanism altered by the presence of acatalyst? Explain

A: Enzymes are considered as the catalytic protein, which helps to catalyze the chemical reaction by…

Q: How can amniotic fluid volume indicate disorders of the fetal urinary system?

A: It is the protective liquid contained by the amniotic sac of pregnant women. It serves as a cushion…

Q: With regard to early cleavage in the sea urchin, is the entire zygote involved in early cleavage

A: Introduction:- A sea urchin is a spiny marine creature with a globular body and a radial arrangement…

Q: Discuss briefly the significant features of cleavage.

A: After fertilization of ovum by the sperm a diploid zygote will develop (2n) that is single celled.…

Q: What route would oxygen in the mother’s blood follow to arrive at abody cell of the fetus?

A: In order to transport the oxygen to the fetus from the mother to the fetus the structure called…

Q: List and describe the phases of embryonic development; from a zygote through gastrulation.  What…

A: Reproduction is the process of the formation of offspring from their parents. There are two modes of…

Q: Describe the features and process of a fetus embryo at 10 weeks of pregnancy

A: Within twenty-four hours once fertilization, the egg that may become your baby quickly divides into…

Q: Explain the implantation of blastula and differentiate the embryonic from extraembryonic tissues.

A: The development of multi-cellular organisms begins from a single-celled zygote, which undergoes…

Q: Identify two differences between a zygote and blastocyst

A: The fusion of male and female gametes is termed as fertilization. The process of fertilization takes…

Q: Explain the location of the testes in the fetal pig.

A: Anatomy can be defined as a branch of biology that is associated with the study of the organism’s…

Q: In severe cases of endometriosis, endometrial tissue is found within the peritoneum. How can…

A: Endometriosis is a disease of the uterine tract, the ovary, and the peritoneum of the pelvic cavity.…

Q: Explain why pregnant women often suffer from back strain late in their pregnancy.

A: Pregnancy, also known as gestation is the time during which one or more offspring develops inside…

Q: Why testes of human males are considered extra abdominal? What is the significance of this…

A: The male reproductive system of humans is a group of inter associated organs, which help in the…

Q: Which of the following rows correctly identifies the source of placental formation?

A: During pregnancy, the placenta attaches the developing fetus to the uterine wall of the mother. It…

Q: In gastrulation explain reorganition of the embryonic cells, formation of germinal layers and name…

A: Gastrulation is a process that occurs during embryonic development in which the embryo from a…

Q: What are all the transcription factor proteins that positively regulates odontogenesis in the…

A: Odontogenesis It is a tooth development process. It is a complex process though which the formation…

Q: Define acrosome

A: Sperm cells are the smallest human cells and are nothing but nucleus with a small amount of…

Q: Regarding mammals, amphibians, and reptiles, explain thoroughly in what way does the inert yolk's…

A: Evolutionary developmental biology is considered a new norm in evolutionary biology. It arose from…

Q: Describe the Amniocentesis procedure?

A: Amniotic fluid is a watery liquid formed from maternal plasma inside the amniotic sac of the…

Q: In tabular form, Cite differences between grasshopper and rat testes.

A: Grasshoppers belong to the group Insecta and are probably the most ancient living group of chewing…

Q: What is the difference between radial and spiral cleavage?

A: Cleavage is defined as the process in which division form the cells and eventually the new organism.…

Q: Explain the way in which the yolk amount affects the cleavage. Compare the Cleavage in a sea star…

A: Yolk  Yolk is a nutrient rich part of the egg which support the growth of developing embryo.

Q: In frog embryo, How many stage of cleavage can you identify? Discuss.

A: The frog egg is a massive cell, with a vol me over 1.6 million times that of a regular frog cell.…

Q: What would happen if a blastocyst implanted into the functional layer of the endometrium and a…

A: It is at the blastocyst stage of development that an embryo would normally move out of the fallopian…

Q: Outline the effects of cleavage

A: Sperm fertilizes an egg, which then implants into the uterus and initiates sexual reproduction. Two…

Q: Distinguish between: Meroblastic cleavage and Holoblastic cleavage. Explain with examples of each.

A: The major difference between meroblastic cleavage and holoblastic cleavage is that the meroblastic…

Q: In tabular form, Cite the differences of spermatogenesis on grasshopper and rat

A: Introduction: The animal kingdom is characterized by eukaryotic, multicellular animal forms.…

Q: Why do flexion and torsion events occur in the developing embryo?

A: LONGITUDINAL FOLDING (Torsion) produces both head- and tailfolds, or flexion, and creates a cranial…

Q: What is the difference in gastrulation and blastula process?

A: Answer : the difference between gastulation and blastula process is :    Gastulation is the stage of…

Q: Name a gene that will disrupt  somitogenesis and  describe its  effects on formation of the axial…

A: Introduction: Somitogenesis is the process through which somites form. Sockets are bilaterally…

Q: What are the three main cell types formed during gastrulation? Give examples of which tissues are…

A: gastrulation is a stage of embryonic development where gastrula is formed from single layer…

Q: How many stages of cleavage are there in sea urchin

A: Sea urchins go through radial cleavage, like chordates, ascidians, and different echinoderms. Like…

Q: Name the process of onset of menstural cycle on purbety.

A: Step 1 The menstrual cycle is regular reoccurring physiological changes found in human females as…

Q: Why would a premature infant require supplemental oxygen?

A: If the infant is described as pre-mature means, the baby was born before the completion of the…