Rarely, two sperm may penetrate a secondary oocyte. Do youthink this fertilized cell will survive for long? Why or why not?

Q: Which process involves the shaping of the embryo and cell migration?

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

Q: Internal genitalia like the vagina, uterus, and ovaries in females, and the testes, epididymis, and…

A: Disorder of sex development (DSD) is a phenomenon that occurs in several organisms in which slight…

Q: Why is the cytoplasm of sperm cells very reduced? Why do mitochondria of sperm cells concentrate in…

A: sperm cell is formed inside the testis.

Q: 1. How is the reproductive system designed to perform its functions? 2. How do the parts (each part)…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: What must happen for a secondary oocyte to complete meiosis

A:

Q: How might the asymmetry of an embryo change if after fertilization its moved to a restrictive…

A: The application of temperature-sensitive mutants necessitates changing the temperature of the…

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: the time that the embryos are transferred into the uterus, have the cells started to become…

A: Embryo is  formed from the division of zygote and zygote develops after fertilization of sperm from…

Q: Which process occurs between the zygote and the embryo stage

A: Fertilization is the process of fusion of the male gamete and the female gamete, resulting in…

Q: Part 2: Which step triggers release of enzymes by the head of a sperm cell which help dissolve the…

A: Sure, let's break down each step of fertilization and arrange them in the correct order:Penetration…

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: Why is a second polar body expelled after fertilisation?   a)   To remove excess cytoplasm   b)…

A: The second polar body is a small, non-functional cell that is produced during oogenesis after the…

Q: There are 5 primary oocytes that will undergo cell division, How many ovum will be formed?

A: Oogenesis : process of development of female gametes from oogonium . It starts from embryonic stage…

Q: What are the relative sizes of oocytes in a dormant follicle, a growing follicle, and a Graafian…

A: Meiosis is a type of cell division (CD) where four gametes or daughter cells are produced as a…

Q: Name the type of cell division that occurs in the cell of reproductive organs.

A: Cell division is the process through which cells divide their genetic material and cytoplasm. The…

Q: What are sex cells called (choose all correct answers)? O germ cell O gametes O eggs O sperm O…

A: Higher eukaryotic organisms are composed of two fundamental types of cells; the germ cells and the…

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: Inside the male testicles we have structures where sperm cells are formed.What are those structures…

A: The question is asking about the specific structures within the male testicles where sperm cells are…

Q: Is this a fertilized sea urchin? why?

A: A sea urchin egg to be fertilized means that it should contain a zygote. Zygote is a diploid…

Q: Somites, in the embryo, give rise to muscle. Is the statement above true or false?

A: Somites are found around neural tubes in the embryonic stage of a vertebrate. Somites are made up of…

Q: What structural features of the endometrium and myometrium contribute to their functions?

A: Uterus is one of the important organ of the female body. It serves many important functions in the…

Q: How does the oocyte nucleus move during oogenesis?

A: Oogenesis: Otherwise called as ovogenesis. This is a process that happens during the embryonic…

Q: What happens to the remainder of the Graafian follicle after ovulation? Does it perform any role in…

A: The fully mature follicle is called the Graafian follicle. This follicle contains the egg or the…

Q: Color the following parts. *spermatic cord-gray *fibroustissue-brown *seminiferoustubulesyellow…

A: Introduction: The male reproductive system comprises the following: A pair of testis Accessory…

Q: What are sex cells called (choose all correct answers)? O germ cell O gametes O eggs O sperm O…

A: Sex cell/Gametes A gamete is a haploid cell that fuses with another haploid cell during…

Q: Oocytes develop in a multicellular structure, the follicle. After ovulation, most of the follicle…

A: Oogenesis refers to the formation of an ovum (egg cell). It is the female process of gametogenesis.…

Q: What barriers must a sperm cross in order to fuse with the egg? How does the sperm accomplish this…

A: The union of two haploid gametes, the spermatozoa and the oocyte, hereafter referred to as the egg,…

Q: Draw the diagram of male thallus and female thallus and differntiate them?

A: The thallus is the vegetative a part of the body which will not differentiate into roots, stem, and…

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: What is one reason the rod-cone break occurs?     The rods adapt more quickly.     The cones…

A: Visual adaptation denotes the retinal ability to adjust or adapt to different levels of light. Rods…

Q: Some men are unable to become fathers because their spermatids do not mature into sperm. Injection…

A: The spermatogenesis can be described as a process during which the formation of haploid spermatozoa…

Q: Where does spermatogenesis (production of sperm) occur? seminiferous tubules, ductus deferents, tail…

A: Reproduction is the process of the formation of new offspring from the existing parent. This is of…

Q: Only one spermatozoa is required to fertilize an ovum yet millions to billions of sperm are…

A: Reproductive system is a type of body system that mainly involved in fusion of male and female…

Q: The enzymes with which a sperm penetrates an egg are contained in an organelle called the _____.

A: Males and females have different reproductive systems. Males have tested and females have ovaries.…

Q: How many chromosomesdoes a human normal haploidcell have? How many chromosomes does a human normal…

A: The chromosomes are a thread-like structure that consists of tightly packed DNA and proteins.  The…

Q: The acrosome of a sperm contains hydrolytic enzymes. Using your knowledge,what is the purpose of…

A: The acrosome is a cap-like configuration originated from the Golgi apparatus. It is an organelle…

Q: Select ALL that are TRUE about sperm: Meiosis is suspended twice in sperm development; meiosis of…

A: Sperm is the form of male gamete in anisogamous mode of sexual reproduction. Generally in higher…

Q: A previously infertile couple wishes to have a pregnancy but the man produces non-motile sperm. If…

A: The fusion of male and female gamete leads to fertilization.