Q: Explain the process of spermatogenesis and oogenesis in vertebrates.
A: Spermatogenesis is the by which sperm cell develops. Oogenesis is the growth process by which the…
Q: consider a pig that has only fully formed ovary. how would this affect the pig's future…
A: Anything the gilt encounters before its first mating has the potential to influence its reproductive…
Q: Is it possible that an unfertilized apomictic embryo sac gives rise to a diploid embryo? Give a…
A: Flowers are the organs of the sexual reproduction in the flowering plants.
Q: Compare and contrast the products of meiosis in human females and males. Include the frequency,…
A: Meiosis is the reductional division which is specially used at times of the gamete formation.…
Q: If it takes just one sperm to fertilize an egg,why do males make so many?
A: During fertilization, the head of sperm binds to the zona pellucida layer of egg and induce acrosome…
Q: The beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b.…
A: Gastrulation process is characterized by formation of three primary germ layers, they are ectoderm,…
Q: Describe the events that follow contact of a spermatozoon with an egg and explain Polyspermy and the…
A: The term "embryogenic development" is sometimes used. This procedure involves the embryo's creation…
Q: Compare and contrast the stages of oogenesis and spermatogenesis.
A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…
Q: Explain why fertilization requires more than one sperm.
A: The zone pellucida is seen as a dense, transparent girdle surrounded by the Corona radiata cells.…
Q: describe the sequence of cell types in spermatogenesis,and relate these to the stages of meiosis;
A: Spermatogenesis is the process of formation of sperms at puberty. This takes place in seminiferous…
Q: Contrast the biological advantages of hermaphroditism that involves cross-fertilization with…
A: Hermaphroditism is referred to as intersex which is a condition in which there is a discrepancy…
Q: Compare and contrast the initiation of zygotic DNA replication in internal versus external…
A: INTRODUCTION Sexual reproduction starts with the combination of a sperm and an egg during a process…
Q: Cite three reasons as to why some animals use asexual reproduction.
A: The production of new individuals from a single parent is known as asexual reproduction.…
Q: Draw the chromosomes in the zygote (cell after fertilization) egg cell fertilization sperm cell
A: Sperm cell is the male gamete and egg cell is the female gamete. Gametes are haploid in nature. Male…
Q: Describe events that follow contact of a spermatozoon with an egg. What is polyspermy and how is it…
A: Fertilization happens when a sperm and an oocyte (egg) combine and their nuclei.
Q: Explain The Sporulation Cycle.
A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…
Q: Compare the number of gametes produced during oogenesisand spermatogenesis in humans.
A: Sexual organs or the gonads, that is the cells of the ovary and the testes are the only cells that…
Q: Compare the structures of the egg and sperm. What structural modifications do sperm have that…
A: The process of producing new organisms from the pre-existing ones is called reproduction. It may be…
Q: Explain the development of human embryo with diagrams.
A: to understand the progess of embryo development in humans, let's use the follwoing flowchart and…
Q: A female egg cell has two outer membranes how does the egg cell prevent polyspermy? if polyspermy…
A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…
Q: If the egg is not fertilized in mammals, the endometrium is shed as
A: Introduction: The inner layer is the endometrium. During a woman's menstrual cycle, hormones cause…
Q: Compare and contrast the mechanisms of egg activation in internal versus external fertilization.
A: Fertilization is part of sexual reproduction, responsible for the fusion of gametes. In case of…
Q: Illustrate a model of female reproductive system of frog showing structures and pathways during…
A: Oviposition is a widespread process in vertebrates apart from eutherian mammals, and it refers to…
Q: Write reproduction in embryogenic cell
A: Reproduction in the embryogenic cell includes the development of the mature embryo. It is studied…
Q: differentiate the frog and mammalian spermatogenesis. Spermatogenesis Frog Mammal
A: Spermatogenesis is the development of haploid sperm cells from germ cells in the testis'…
Q: Which statement accurately describes what occurs during the follicular phase of the ovarian cycle?…
A: ANSWER The first half of menstrual cycle is follicular phase and it starts first day of menstrual…
Q: Compare the two processes: oogenesis and spermatogenes
A: Spermatogenesis and oogenesis are the processes of formation of male and female gametes.…
Q: Compare and contrast gametogenesis in starfish and sea urchin.
A: Answer--
Q: gametogenesis were non-meiotic
A: Cell division : Cell division is the process by which a parent cell divides into two or more…
Q: Discuss why is neurulation important?
A:
Q: Explain the TWO differences between the meiotic division of oogenesis and spermatogenesis.
A: Meosis is the process of cell division which happens in gamete formation It has two parts Meosis…
Q: Describe all the steps involved in the formation of an embryo from the reproductive cells of men and…
A: Answer: The reproductive cell in males are : SPERMS The reproductive cell in females are : EGG
Q: xplain how does birth contr
A: The increase in the number of humans in the population represent the population growth .The…
Q: What are the significance of GAMETOGENESIS? State whether it is a Developmental phenomena or not,…
A: The major events of human reproduction are formation of gametes, cyclic changes in the female body…
Q: Diagram spermatogenesis in mammals. Begin with a spermatogonium possessing six chromosomes;…
A: Chromosome is a compact structure of a DNA molecule wrapped around some proteins. It is generally…
Q: Based on what you know about the goal of gastrulation, suggests the direct developmental consequence…
A: Embryonic development is the process of development of an embryo. Gastrulation is a process that…
Q: Name some organsims which practice asexual reproduction.
A: Every organism needs to grow in order to survive. This can be done by the method of reproduction in…
Q: Distinguish between the process of spermatogenesis and oogenesis. Illustrate a complete diagram of…
A: Answer 1- the differences are : the process under which the sperm formation takes place in the…
Q: in mammals, the luteinizing hormone has what impact on gamete development? select all that apply.…
A: Luteinizing hormone is produced form the Anterior pituitary gland.It is produced from the…
Q: Explain how the embryo forms from the zygote
A:
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: In sexual differentiation, parts of the male reproductive system develop from the:
A: The formation of different proteins that lead to formation of different cells and thereby tissues…
Q: Which sequence details the maturation of an oocyte and the process of ovulation? 1. Graafian…
A: The process of follicle and oocyte maturation occurs simultaneously in the ovary of females. The…
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: differentiate spermatozoon vs. ovum
A: Spermatozoon is a male gamete, which is produced in the testes of males. It is motile in nature. It…
Q: Briefly describe the process of meiosis, mentioning a hallmark event that occurs during each phase.
A: Meiosis is a process in which a single cell divides twice producing four haploid daughter cells (n).…
Step by step
Solved in 4 steps
- Compare spermatogenesis and oogenesis as to timing of the processes, and the number and type of cells finally produced.Compare and contrast the stages of oogenesis and spermatogenesis.Create a table that compares spermatogenesis and oogenesis. Include a bit of information about the hormonal control of reproduction in the comparison.
- Compare and contrast the oogenesis and spermatogenesis in chicken and drosophila melanogasterIf cell division during gametogenesis were non-meiotic, what would be its consequence for futuregenerations of diploid organisms? Expound.In tabular form, Cite the differences of spermatogenesis on grasshopper and rat