Sperm and ova are similar in terms of ________. a. size b. quantity produced per year c. chromosome number d. flagellar motility

Q: Pathway of sperm from the testis is (A) ejaculatory duct, epididymis, urethra (B) Urethra,…

A: Sperms are the haploid sex cells of male human reproductive system. Human male sperm has about 23…

Q: In females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization…

A: Gametogenesis is a process by which gametes are produced through meiotic division. Sperm and egg…

Q: Fill in the blank:  A portion of the uterus called the _______________________ extends downward into…

A: The reproductive system of an organism is also known as the genital system. It is the biological…

Q: The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the: A.…

A: The biological process in which male and female gamete fused leading to the activation of egg and…

Q: Where does sperm production occur within the testis? a. rete testis c. seminiferous tubules b. myoid…

A: Step 1 Testes (Spermaries; Singular – Testis) are a pair of primary sex organs of the human’s males…

Q: If an egg cell were treated with EDTA, a chemical that bindscalcium and magnesium ions,(A) the…

A: EDTA - Ethelene diamine tetra acetic acid is a chelating agent and is very effective chelator of…

Q: Gametogenesis requires the conclusion of meiosis II. When does this occur in females? a. During…

A: Step 1 The major events in human reproduction are gametogenesis, cyclic changes in the human female…

Q: After ovulation, the secondary oocyte enters the (a) oviduct (b) corpus luteum (c) cervix (d) ovary…

A: The main reproductive organ in females is the ovaries. These are almond-like organs that produce the…

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: A)Identify two differences (either structures or functions) between gills and lungs in terms of how…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? a. The…

A: Implantation is the process that signals that the pre-embryonic development stage is completed. This…

Q: Where does the final maturation of the sperm take place? a) Sperm tubes (seminiferous tubules) b)…

A: Sperms are the male gametes produced in the testes of human males.

Q: Internal fertilizationa. can prevent the drying out of gametes and zygotes.b. must take place on…

A: The process in which haploid gametes (egg and sperm) fused to form diploid zygote is called…

Q: Choose the best Polar bodies are produced duringa. DNA replication.            d. oogenesis.b.…

A: Polar bodies:                A small haploid cell which is formed at the same time as an egg cell…

Q: Binding of a sperm to an oocyte plasma membrane causes the oocyte to______ . a. enter an oviduct c.…

A: During fertilization, when the spermatozoan penetrate the zona pellucida, makes physical contact…

Q: The process of gastrulation forms the _______. a. blastula b. zygote c. organs d. germ layers

A: Embryogenesis refers to a process in which the development of an embryo takes place. An embryo can…

Q: During the menstrual cycle, the degradation of the corpus luteum causes what? A) The decrease of…

A: The menstrual cycle is the regular change that takes place in the female reproductive system and is…

Q: Which of the following is not a phase of the ovarian cycle? a follicular b. secretory C. ovulation…

A: The ovary is the primary female sex organ, localized on the sides of the lower abdomen in human…

Q: it controls the processes in the reproductive system a. ovary b. pituitary  c. corpus luteum d.…

A: The male and female reproductive cycles are controlled by hormones released from the hypothalamus…

Q: Which of the following is not a part of female reproductive system in human beings?(a) Ovary(b)…

A: The female reproductive system includes the ovaries, fallopian tubes, uterus, vagina, vulva, mammary…

Q: In what part of the reproductive tract the following events take place? a) b) Ovulation Oogenesis c)…

A: The female reproductive system consists of a pair of ovaries along with a pair of oviduct, uterus,…

Q: In humans, fertilization usually occurs in thea. fimbriae.b. vagina.c. uterus.d. uterine tubes.

A: Answer -Fertilization is the process by which both the gametes from two different parents fuse…

Q: Only one sperm enters an egg becausea. sperm have an acrosome.b. the corona radiata gets larger.c.…

A: Fertilization is a process in which male and female gametes fuse to form a zygote. This zygote…

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: During embryonic development, unique cell layers develop into specific groups of tissues or organs…

A: The development of a plant or animal embryo is called embryogenesis. This process starts with the…

Q: Leydig cells ________.a. secrete testosteroneb. activate the sperm flagellumc. support…

A: Leydig cells can also be called as interstitial cells. They are group of polyhedral cells which are…

Q: After fertilisation, the resulting cell which gives rise to a new individual is the: (a) embryo (b)…

A: Fertilization is a process that occurs during reproduction in organisms. Reproduction is a process…

Q: Fill in the blank:  Enzymes secreted by the ___________________ of a sperm cell help it to penetrate…

A: The sperm is male reproductive cell, also called the male gamete produced by the male organism,…

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: Fill in the blank:  Sperm cells undergo maturation while they are stored in the…

A: Meiosis produces the gametes like sperm in male and the ova in the female. When the male sperm comes…

Q: In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is:…

A: Embryonic development is the process by which the embryo forms and develops. Embryonic development…

Q: During oogenesis the cell that is fertilized by a sperm to become an egg is:    A primary…

A: Oogenesis is the process of 'oocyte development 'in females. The resulting cell is called gamete…

Q: Placenta is the structure formed: A. by the union of foetal and uterine tissue B. by foetus…

A: The uterus or womb is a hollow muscular organ which is located in the pelvis of female between the…

Q: Then the makes that keeps the endometrium in the uterus. A. pituitary gland; HCG B. ovary; estrogen…

A: Hormones are the chemical molecules which acts as a chemical messenger for different body tissues…

Q: About the time of ovulation, the anterior pituitary gland releases a surge of _____ which initiates…

A: Answer. The general term female reproductive cycle encompasses the ovarian and uterine cycles, the…

Q: Fill in the blank:  _______________________ is the process by which sperm cells are formed.

A: Sperm is the male gamete. It plays an important role in sexual reproduction and contributes half of…

Q: An individual who is XY but is missing the SRY gene would be expected to develop into a. a male. b.…

A: SRY stands for the sex determining region of Y-chromosome. A normal individual have 46 chromosome in…

Q: In man, fertilization of ovum takes place in:a) Vaginab) ovary.…

A: The process of fusion of a sperm with an ovum is known as fertilization.

Q: Which of these has the largest amount of DNA?

A: Spermatogenesis is the formation of spermatid (n) from spermatogonia(2n).   Spermatogonia(2n) - 2…

Q: Which statement about human reproduction is false?(A) Fertilization occurs in the oviduct.(B)…

A: Oogenesis In oogenesis, diploid oogonium (2n) go through mitosis until one develops into a primary…

Q: What is the function of the epididymis?a. sperm maturation and storage b. produces the bulk of…

A: The male reproductive system comprises a number of sex organs, which play a function in the…

Q: Greek philosophers belived that:   a.) women's menstrual blood served as the factor that gives…

A: C answer is correct.