Q: what structure contains enzymes needed by sperm to penetrate an oocyte?
A: Fertilization takes place when nuclei of both sperm and an oocyte fuse. Initially, a sperm must fuse…
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: What are some advantages of cephalization?
A: Cephalization is the concentration of sense organs and nervous system control at the anterior head…
Q: Describe the stages of gametogenesis?
A: Introduction The life starts from single cell called Zygote. A zygote is formed by the fusion of…
Q: What do you mean by ovulatory phase?
A: The reproductive cycle in the female primates e.g.monkeys, apes and human beings) is called…
Q: What do you mean by spermatogenisis. How it takes place?
A: The formation of gametes and the fusion of male and female gametes are the two processes required…
Q: How do teratogens cause birth defects?
A: Teratogens are those substances or agents that cause harmful mutations or deformations in the genome…
Q: What are the stages of spermatogenesis?
A: Spermatogenesis is that the method by that haploid spermatozoa develop from germ cells within the…
Q: During which stage of cell division are spermatids formed from the secondary spermatocytes?
A: BASIC INFORMATION GAMETOGENESIS It is the process of formation of gametes. The diploid…
Q: Why is it necessary for gametogenesis to reduce the chromosome number of the sex cells by one-half?
A: Ans: Gametogenesis: It is the biological process in which haploid or diploid cells divide as well as…
Q: Explain the Ovarian Cycle ?
A: Ovarian cycle is related to reproductive system in females. Reproduction is the process of formation…
Q: Why do benign ovarian cysts develop in women who ovulate?
A: Cysts are fluid-filled sacs that can occur in any part of the body. The cysts that occur in the…
Q: How old is an ovulated oocyte of a 35-year-old woman? What consequences does this have?
A: Fertility changes with age. For a woman, the beginning of their reproductive year starts onset of…
Q: What are the differencesbetween spermatogenesis and oogenesis?
A: The male and female reproductive organs, the testes, and ovary are called gonads. These contain…
Q: Where does the formation of germ cells and sperm takes place?
A: Developmental biology is that the branch of biology that deals with the study the processes by that…
Q: Which gene is responsible for the development of the gonads into testes?
A: Introduction Chromosomes are classified into two types: Autosomes and Allosomes/Sex chromosomes. The…
Q: What are the stages of oogenesis? Describe all the ways in which it differs from spermatogenesis ?
A: Introduction: The process of formation of the egg cells in the ovaries of the fetus is known as…
Q: What are the functions of somites?
A: To define functions of somites
Q: Define gametogenesis
A: The reproductive system is a bodily organ system that includes both male and female reproductive…
Q: How does senescence occur?
A: In biology, senescence could be a method by that a cell ages and Completely stops dividing however…
Q: Name two types of cells in the testis other than the germ cells, and describe their locations and…
A: Ans: Testis: It is the male reproductive gonad or glands which is involved in the production of the…
Q: Describe spermatogenesis
A: Spermatogenesis is a process to develop the male gametes called sperm. This process occurs within…
Q: What happens in the process of spermiogenesis?
A: Spermatogenesis is the formation of a haploid and functional male gametes (i.e — spermatozoa) from…
Q: List the major steps in spermatogenesis.
A: BASIC INFORMATION GAMETOGENESIS It is the process of formation of gametes. The diploid gametocytes…
Q: What occurs during cleavage?
A: Fertilization is the fusion of ovum and sperm so as to form a diploid zygote. Zygote is the first…
Q: What the motile germ cell is called?
A: Gametogenesis is a process through which male and female gametes or germ cells (sperms and eggs) are…
Q: Draw a labelled diagram of a Graafian follicle?
A: The Graafian follicle is the follicle that is formed after first meiotic division but before…
Q: Why sperms are produced in large numbers?
A: Sperm is the male reproductive cell, or gamete, which contains haploid number of chromosomes and…
Q: What type of cells surround the oocyte in a unilaminar follicle?
A: oocyte present in a unilaminar follicles. oocytes is an cell present in the ovary which form ovum…
Q: What are the steps in spermiogenesis?
A: The genital system comprises many organs that engage in sexual reproduction.
Q: What is spermatogenesis? Briefly describe the process of spermatogenesis.
A: The testes is the male reproductive organ which produces sperm and the male sex hormone. Sperm is…
Q: What is the advantage of cephalization?
A: Cephalization is an evolutionary process of concentrating the nervous tissues, sense organs and…
Q: Briefly describe the stages of spermatogenesis in human?
A: The process that involves development of haploid sperms from the germ cells in the semineferous…
Q: What do you think is the function of cleavage?
A: Cleavage is defined as the repeated mitotic division of the zygote resulting in an increasing…
Q: What are the similarities and differnces between spermatogenesis and oogenesis?
A: Spermatogenesis and oogenesis are two different processes of the production of gametes. It is…
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: When are primary oocytes and spermatocytes produced, and how manygametes result from one diploid…
A: Spermatogenesis as the name suggests is the production of male gametes by the process of meiosis,…
Q: Differentiate between spermatogenesis and oogenesis.
A: The gametes are the sex cells and consist of half number of chromosomes. In humans, a normal cell…
Q: What is gonads?
A: Human reproduction is the union of male and female gametes generated in the reproductive system.…
Q: What is sperm aneuploidy?
A: Aneuploidy is defined as the abnormal chromosome number in contrast to the usual chromosome number…
Q: How are the events that take place in spermatogenesis and oogenesis similar? How are they different?
A: Spermatogenesis and oogenesis are the cycles of arrangement of male and female gametes.…
Q: What is secondary spermatocytes?
A: Sperm is also called as spermatozoa. It is a male reproductive cells, produced by most animals. In…
Q: Why are the testes located outside of the body of organisms?
A: Testes is located outside the abdominal cavity. Testes is present inside scrotum.
Q: How does oogenesis differ from spermatogenesis?
A: The cell is the basic and smallest unit of organisms. A group of cells functions together that form…
Q: How is a gamete formed?
A: Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes…
What are gametogenesis with example?
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