Complete cleavage is called meroblastic.

Q: Define cleavage furrow

A: Cleavage furrow is formed in the cell when during cell division, the cytoplasm of the cell divides…

Q: Conduct online research on teratogens and acquired birth defects. Resulting birth defects.

A: Any substance that exposes a foetus to an abnormality while the mother is pregnant is considered a…

Q: Cleavage occurs in a stepwise, and a careful time.     True     False

A: Developmental biology is the branch of biology in which the development of the organisms from the…

Q: Retinoic acid is the main component of Tretinoin, an anti-cancer chemotherapy drug. Retinoic acid is…

A: Introduction :- Teratogens are the chemical compounds or agents which can cause abnormalities in the…

Q: Define a teratogen and provide several examples of teratogens.

A: BASIC INFORMATION  ENZYMES They are the catalyst. They help in accelerating the chemical reaction.…

Q: Name the process of shedding of placenta from the uterus of mother after the birth of a baby.

A: When a sperm fuses with the egg a zygote is formed. This zygote further divides to form an embryo.…

Q: Secondary follicle: label primary oocyte, antrum, granulosa cells Graafian (mature) follicle: label…

A: A follicle is a sac filled with fluid in which development of immature egg takes place. Follicles…

Q: TRUE OR FALSE During oogenesis, the second polar body forms the moment the oocyte is released from…

A: The primary oocytes undergo meiosis two forms a mature egg and three secondary polar bodies.

Q: Thousands of sperm are produced each second insert numbers in the space is provided to arrange the…

A: According to the question, Thousands of sperm are produced each second insert numbers in the space…

Q: Cleavage produces daughter cells called ________.a. trophoblastsb. blastocystsc. morulaed.…

A: Cleavage is described as the procedure of cell division in early embryo to generate a cluster of…

Q: Explain why growth of the blastomeres cannot take place  during cleavage?

A: Development in biology occurs to ensure the formation of multicellular organisms from the single…

Q: In a female human, the oogonium forms when the female is a _____________.

A: Singular word – oogonium, the plural word is oogonia. Oogonia is an immature female reproductive…

Q: Discuss briefly the significant features of cleavage.

A: After fertilization of ovum by the sperm a diploid zygote will develop (2n) that is single celled.…

Q: The advantage of chorionic villi sampling over amniocentesis is that Chorionic villi sampling: a.…

A: CVS and amniocentesis are tests carried out during pregnancy most commonly to check your baby for…

Q: Explain the hormone-responsive nature of endometrial tissue and link this to the pathology of…

A: The uterus consists of three layers: 1. Perimetrium- outer layer 2.myometrium- middle layer 3.…

Q: micrograph

A: The ovary is an organ found in the female reproductive system  that produces an ovum . Fertilization…

Q: What is the significance of gastrulation?

A: Gastrulation is the embryonic stage in which all the germinal layers are being developed. It is a…

Q: In cleavage states what is blastomeres, 2-cell stage, 4-cell stage, and 8-cell stage.

A: The question asks to define the blastomere stage (2-celled, 4-celled, and 8-celled).

Q: Explain the location of the testes in the fetal pig.

A: Anatomy can be defined as a branch of biology that is associated with the study of the organism’s…

Q: here are several health conditions that can negatively impact a woman’s pregnancy and the fetus she…

A: Gestational diabetes-Sugar level becomes high in this situation.It is the diabetes which is…

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: The hypoblast layer of the blastodisc is made of cuboidal cells and forms during the fetal period. O…

A: After 4 -6 days of fertilization, the morula reaching the uterus form blastocoel and transform into…

Q: Which of the following layers of the uterus undergoes the greatest change during the menstrual…

A: The endometrium is the deepest layer of the uterus. The actual endometrium comprises of a basal…

Q: In severe cases of endometriosis, endometrial tissue is found within the peritoneum. How can…

A: Endometriosis is a disease of the uterine tract, the ovary, and the peritoneum of the pelvic cavity.…

Q: Describe the changes the ovum undergoes from ovulation to implantation.

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

Q: Why testes of human males are considered extra abdominal? What is the significance of this…

A: The male reproductive system of humans is a group of inter associated organs, which help in the…

Q: True or false sperm and ova or not identical to the parent cells that produce them?

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: Give the name of the structure that the phrase describes. The fetus first doubles in size between…

A: Embryology is the study of the early development of animals from the fertilized egg to the…

Q: Why is complete breast involution important for reducing risk of breast cancer?

A: A lower risk of breast cancer is closely correlated with the degree of age-related lobular…

Q: The main functions of the placenta include digestion, respiration, and excretion. O True O False

A: The zygote formed after fertilization develops into a baby within the uterus for a viviparous…

Q: The birth starts thanks to increased ... ... release of glucocorticoids from the fetus. ...…

A: The time between the initiation of productive contractions and the birth is referred to as the birth…

Q: In tabular form, Cite differences between grasshopper and rat testes.

A: Grasshoppers belong to the group Insecta and are probably the most ancient living group of chewing…

Q: draw testes with color

A: The testes (or testicles) are a try of sperm-producing organs that maintain the health of the male…

Q: Which of the following statements is FALSE? The primary spermatocytes undergo mitosis. Secondary…

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

Q: State five substances that are thought to be teratogenic

A: Introduction:- A teratogen is any agent that causes an abnormality following fetal exposure during…

Q: Describe the developmental changes in the fertilised ovum until implantation occurs in the uterus.

A: Sexual reproduction is marked by the process in which the male and female gametes fuse together by…

Q: Fill in the blank:  The inner mucosal lining of the uterus is called the _______________________.

A: The reproductive system of the female is made up of external structures and internal organs. The…

Q: Distinguish between: Meroblastic cleavage and Holoblastic cleavage. Explain with examples of each.

A: The major difference between meroblastic cleavage and holoblastic cleavage is that the meroblastic…

Q: When during pregnancy is colostrum first produced and when it can be first excreted?

A: Colostrum, a nutrient-rich fluid produced by female mammals immediately after giving birth, is…

Q: Fertilization of an ovum normally occurs in the vagina. oviduct. uterus. ovary. cervix

A: Step 1 The human female reproductive system is a system of sex organ and accessory glands found…

Q: In tabular form, Cite the differences of spermatogenesis on frog and chicken.

A: "Spermatogenesis" is the process by which mature male gametes are produced, which subsequently…

Q: The ectodermal layer in the fetus will develop into:

A: Correct answer: Nerve and Skin (first option)

Q: Compare and contrast gamete formation in males and females

A: Gonads can be defined as the reproductive organs which produce the gametes that participate in…

Q: Explain why teratogens are difficult to identify.

A: Introduction:- Teratogens are substances that may produce physical or functional defects in the…