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

Q: Describe the three major parts of a spermatozoon and state what organelles or cytoskeletal…

A: Sperm: it's the male gamete created by the male gonad referred to as testis. The sperm cell…

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: 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: 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: Prevents implantation of an embryo.

A: IntraUterine Devices prevents implantation of an embryo. It hinders implantation.

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: What will guide them to make the right decision?  Do they have a choice?

A: Answer: 1.trophobalst or icm if cells choose to become they will end up in the placenta and if they…

Q: There are 5 primary oocytes that will undergo cell division, How many functional egg cells will be…

A: The journey in short of an oocyte is as follows- the egg follicle is activated, the egg grows and…

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: All the followings are functions of Sertoli cells except?

A: Sertoli cells are located in seminiferous tubules of testis

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: 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: 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: What events occur during the first week after fertilization?Use the terms zygote, morula,…

A: Embryogenesis is the development of a plant or animal embryo. Embryogenesis follows a sequence of…

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: What determines whether an embryo will develop into a male or a female?

A: The process of fertilization is the union of male and female gametes. It results in the formation of…

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: 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.

Q: Internal and external fertilization both ……… occur only among birds. produce single-celled…

A: The question is asking us to identify a common characteristic between internal and external…

Q: After fertilization a developing embryos goes through several changes. At about 2-3 days, what is…

A: During fertilization the haploid gametes, that is, sperm from a male and secondary oocyte from…

Q: What are sex cells called (choose all correct answers)?

A: Sex cells are called : Germ cells , Gametes , eggs and sperms

Q: Define embryo

A: The process of the formation of new organisms from the existing organisms is called reproduction. It…

Q: At puberty, the testes contain a finite number of cells and producean enormous number of sperm cells…

A: Spermatogenesis could be a joint sequence of events throughout maturation of spermatogonia into…

Q: What is your opinion of the status of an 8-celled human embryo? Why?

A: Note:- Sorry as per the honor code, sharing personal opinions is unauthorized. So we will be…

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: A sperm completes meiosis II, it's destiny is to first mature be released and then to meet the egg…

A: The formation of sperm from germ cells in the seminiferous tubule of the testis is known as…

Q: Early human embryos have both male and female reproductive tissues but, by the time they are born,…

A: The intermediate mesoderm is responsible for the development of the reproductive organs. The adult's…

Q: Describe the two major parts of a spermatozoon and statewhat organelles or cytoskeletal components…

A: Many species contain sperm, also known as spermatozoon or spermatozoa, a male reproductive cell. The…

Q: What happens to the second sperm nucleus, the one that does not fertilize the egg cell? What is the…

A: Sexual reproduction is a fusion of male and female gametes to produce offspring from the zygote.…

Q: Will the fertilized egg grow by mitosis or meiosis?

A: Mitosis and meiosis are the two distinct processes of cell division. When individuals talk about…

Q: How is and egg (oocyte) prepared during oogensis for fertilization? Why is preparation essential to…

A: The process of formation of gametes is known as gametogenesis. In females, oogenesis is a process of…