The initial stage of development is cleavage in which the zygote divides multiple times. Cleavage occurs in which structure? O vagina O peritoneal cavity O ovary O uterus O oviduct

Q: If an embryo splits at the two-cell stage, each of the resulting identical twins will have its own…

A: Identical twins:  The splitting up of the embryos into two at the two-cell stage leads to the…

Q: Spermatogenesis usually occurs during the ___________ and continues in the _________ stage in some…

A: * spermatogenis is the process of formation of sperm from germ cells in semniferous tubules of…

Q: The first week of human development is characterized by formation of the: A. inner cell mass B.…

A: The correct option is E - all of the above

Q: Which of the following structures secretes the hormone that sustains the corpus luteum during the…

A: Corpus luteum is a temporary endocrine structure involved in ovulation and early pregnancy.  The…

Q: Choose the best of the following The fusion of a sperm and an egg cell initally produces which of…

A: Process of reproduction in human beings is very complex and interesting. It includes various…

Q: Which statement below concerning oogenesis is FALSE? About half the oogonia complete mitosis between…

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: Which of the following is NOT a function of sustentacular cells? Absorb sloughed cytoplasm from…

A: The process of sperm formation and development (spermatogenesis) takes place in seminiferous tubules…

Q: Which of the following rows identifies the site of fertilization, and the hormone released when the…

A: The fusion of male and female gametes is known as fertilization.

Q: Stages in Development   First trimester Second trimester Third trimester Match the developmental…

A: The growth of the baby inside the womb of the mother takes place in three trimester.First trimester…

Q: What is the source of different cytoplasmic determinants present in the embryo after fertilization?…

A: Some post-embryonic cells also include cytoplasmic determinants, which cause cytoplasmic asymmetries…

Q: Which of the following will result in identical twins?a. fertilization of two eggs by two different…

A: During fertilization, the sperm and egg recognize each other, the sperm fuses with the egg, joining…

Q: Where does fertilization of the egg by the spermtypically occur?a. vaginab. uterusc. uterine tubed.…

A: Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete…

Q: Name a mature ovule containing the embryo.

A: The plant embryo is a part of the bud that consists of the earliest forms of leaves, stems, and…

Q: A female egg cell has two outer membranes how does the egg cell prevent polyspermy? if polyspermy…

A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…

Q: Approximately 3 days after fertilization , the following structure develops * O blastomere O morula…

A: The development of the human embryo originates by the fusion of egg and sperm(fertilization), which…

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: . The structure labeled C, within which development occurs, is known as the a. placenta. b. oviduct…

A: The picture is showing the foetus in the womb of mother.

Q: _1. Chamber that houses the developing fetus 2. Canal that receives the penis during sexual…

A: Since you have asked multiple questions, we will answer only the first three questions for you. If…

Q: the box below. ovaries testes semina! vesicles cloaca ovarian tubes spermatheca oviducts ovarioles…

A: Introduction  Life starts from a single cell called Zygote. A zygote is formed by the fusion of the…

Q: By the end of gastrulation the [Select] * has surrounded the outside of the embryo, the [ Select ]…

A: Gastrulation refers to the process by which a gastrula is formed from a blastula. Grastrula is the…

Q: Fertilization generally occurs in the _________.     fallopian tubes     ovary     uterus…

A: A gamete is a haploid cell that fuses with another haploid cell during fertilization in organisms…

Q: Early Embryonic Development Match the following terms to the descriptor. NOTE: If you want to change…

A:

Q: Which of these produces blood cells and germ cells at the early stages of fetal development? O…

A: The yolk sac is responsible for producing blood cells and germ cells during the early stages of…

Q: Which of the following specifically describes ovoviviparity? Animals are born by live birth Animals…

A: According to the mode of development of young babies, the animals are classified into different…

Q: Fill in the following table with the words from the list below.   ovary | B. oviducts | C. vagina…

A: The internal and exterior sex organs that act in the generation of new children make up the female…

Q: Which of the following is not required for internal fertilization? O sperm receptacle O behavioral…

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

Q: Which of the following is true about Organogenesis? Choose all possible answers. anterior pituitary…

A: Organogenesis Organogenesis is defined as an important event of embryogenesis (embryo development)…

Q: Emily and her husband are thrilled as they peer into Emily's uterus by means of an ultrasound. The…

A: Prenatal development The prenatal development is defined as the development of the embryo and the…

Q: In the development of a "three-parent baby", the third parent donates which of the following?…

A: Here, first and second parent donates egg and sperm and contribute to the genetic makeup of the baby…

Q: Describe all the steps involved in the formation of an embryo from the reproductive cells of men and…

A: Answer: The reproductive cell in males are : SPERMS  The reproductive cell in females are : EGG

Q: What is the most common cell type found outside of the follicular cells of a follicle? Practeie…

A: Gametogenesis is the gamete formation that happens in the male and female gonads respectively. A…

Q: In human beings, the correct sequence of events during reproduction is: (a) gamete formation,…

A: Reproduction is a biological process by which an organism reproduces an offspring that is…

Q: Mark in which period the following events occur. Germinal Period Embryonic Period Fetal Period The…

A: Prenatal development is the development of the embryo and the fetus in the process of gestation. It…

Q: The placenta is formed from ________.a. the embryo’s mesenchymal cellsb. the mother’s endometrium…

A: Placenta is defined as the organ that develops in the uterus of the women during pregnancy. The…

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: gametogenesis, a primary spermatocyte generates sperm, a primary oocyte generates eggls). 14 41 D4,4…

A: Introduction:-  Gametogenesis:-  Gametogenesis is the process of division of diploid cells to…

Q: Foetus is the:         I.   Well developed embryo        II.   Developing embryo       III.   A…

A: A fetus is an unborn offspring develops from an embryo of an animal. In human the fetal development…

Q: Which of the following describes the role of Luteinizing hormone in the ovarian cycle? o Inhibits…

A: The hormones are basically secreted from the ductless glands called the endocrine glands. These…

Q: The fertilized egg enters a 2-week period of cell division. During this period, the fertilized egg…

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

Q: What causes an embryo to develop female external genitals?A. A high ratio of estradiol to…

A: Cause of an embryo develop external genitals depends on testosterone level and not on estradiol

Q: The cell formed after fertisation is called:         I.   Foetus        II.   Zygote       III.…

A: Fertilization is the process of fusion of male and female gametes. It is one of the essential…

Q: Which of the following signals the end of the reproductive period in females? menopause O…

A: Menopause

Q: enetration of the zona pellucida Cortical reaction 1st cleavage Acrosomal membranes rupture, and…

A: Human fertilization is the association of a human egg and sperm, happening in the ampulla of the…

Q: Explain how the embryo forms from the zygote

A:

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: Regarding female gametes, when does melosis begin? O at age 5 O at tertilization O during fetal…

A: Gametes are sex cell or reproductive cell that consists of a haploid set of chromosomes. Gametes are…

Stress

Stress is defined as the feeling of being overwhelmed or unable to cope with emotional or mental pressure. Any event or action that makes a person annoyed, furious, or nervous can trigger it. Chemical changes in the body caused by stress can cause blood pressure, blood sugar levels, and heart rate to rise.