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

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: What are the two types of embryonic folding?

A: In embryonic folding, the flat trilaminar disk turns into a lot of round shape embryos due to the…

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: At which embryonic event would one be able to first distinguish a diploblastic embryo from a…

A: Answer: In reproduction process after the fertilization of female egg cell with sperm male cell…

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A: Karyotyping is the process by which photographs of chromosomes are taken in order to determine the…

Q: Define a teratogen and provide several examples of teratogens.

A: BASIC INFORMATION  ENZYMES They are the catalyst. They help in accelerating the chemical reaction.…

Q: What is the rationale behind the cleavage stages undergone by the early embryo?

A: Cleavage: The series of synchronized mitotic cell divisions of the fertilized egg that results in…

Q: Differentiate telophase I vs. telophase II

A: Meiosis type of cell division takes place in two phases: meiosis I and II. These phases are further…

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: Analyze the karyotype shown. Indicate if it is a chromosomal male or achromosomal female. If the…

A: Every species have a characteristic number of chromosomes. An organism may contain one set x…

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: Name the two indicated structures below the arrow, seen here in the Pinus ovule.

A: Pinus is a tree that belongs to a group of plants known as gymnosperms. This plant is mainly…

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A: Karyotyping is the process by which photographs of chromosomes are taken in order to determine the…

Q: give the Significance  of the ff   Cleavage to embryogenesis       CAMs and Junctional…

A: * cleavage means  division of cells in  embryo . * The cells formes as result of  cleavage are…

Q: Identify the process and structures from 1-7

A: Reproduction in gymnosperms The reproduction in gymnosperm is sexual. Gymnosperm produce male cones…

Q: Describe the process of spermiogenesis, including the formation of the acrosome, axial filament, and…

A: Spermiogenesis  The process of formation of mature sperms (spermatozoa) from spermatids is known as…

Q: Explain how is the age of the embryo and it's delivery date determined?

A: An embryo is the early stage of development of a multicellular living being. In common, in life…

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: What is the significancw of cleavage in early development? Discuss.

A: The repeated mitotic divisons of the fertilized egg (zygote) is called cleavage. It is preceeded by…

Q: following is an example of epistasis?

A: Epistatis: It is defined as the the action of masking one gene upon expression of another gene. Even…

Q: Which type of symmetry is associated with cephalization?Why is it important? What is usually…

A: Symmetry, in biology, the repetition of the parts in an animal  in an orderly fashion. Symmetry…

Q: Define exine and germ pores.

A: Pollen grains are produced from the anther of flowers. They contain male reproductive cells of the…

Q: Complete cleavage is called meroblastic.

A: Cleavage refers to the rapid mitotic cell division in fertilized egg.It does not change cell size…

Q: Describe the Amniocentesis procedure?

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

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A: A karyotype is defined as the organization of the chromosome content of any given cell type. Thus,…

Q: Summarize the four main classes of chromosomalrearrangements.

A: Chromosomal rearrangement is when a part of the chromosome is broken or some portion is added to the…

Q: Explain the importance of calcium in internal and external fertilization.

A: The fusion of gametes, mainly from two opposite sexes, is referred to as fertilization. The…

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.…

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A: A karyotype refers to the diagrammatic representation or the pictorial presentation of all the human…

Q: What are the characteristics of the cleavage embryo?

A: Answer : Cleavage is the mitotic division in which the daughter cells are formed from the parent…

Q: What are the types of eggs based on their yolk content? What patterns of cleavage will they undergo…

A: As per bartleby guideline we are suppose to answer only 1 question. Please post the other question…

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: How many stages of cleavage are there in sea urchin? Discuss.

A: Sea urchins undergo radial holoblastic cleavage.

Q: Outline the effects of cleavage

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

Q: Name the four processes that are fundamental toanimal development, and describe each of them in a…

A: Animal development is a complex process where life begins from a single-celled zygote and becomes…

Q: Where do cleavage furrow form??

A: Mitosis is the phase in cell cycle where the division of replicated chromosomes into two new nuclei…

Q: What other developmental hallmarks are often associated with spiral or radial cleavage?

A: Based on the directions and angles the cleavage furrow cuts, cleavage is of four types, namely,…

Q: Compare the processes of oogenesis andspermatogenesis in humans

A: A cell that contains half the number of chromosomes of a somatic cell and able to unite with one…

Q: What is the normoblasts??

A: Normoblast is a nucleated normal cell arising in red marrow as a phase and stage in the improvement…

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…

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A: Karyotyping is the process by which photographs of chromosomes are taken in order to determine the…