What is external fertilisation?

Q: Which is a triploid tissue? How is the condition achieved in a fertilized ovule?

A: Anther produces pollen grains which lands on the stigma of the pistil with the help of biotic and…

Q: What is the ovum doing during the primary oocyte stage?

A:

Q: What are the major features of embryonic development at various months of pregnancy?

A: Within twenty hours after the fertilization, the zygote starts to divide rapidly into many cells.…

Q: Is the sperm or the egg responsible for the sex of the chicks?

A: Sex determination is process by which the sex of the foetus can be determined. The sex in organisms…

Q: What happens to placenta after the birth of the baby?

A: The process of physical expulsion of the fetus and placenta from the uterus is called labor or…

Q: What is an ovule?

A: The group of autotrophic organisms that have eukaryotic cells composing of cell walls is known as…

Q: Explain the process of fertilisation.

A: Fertilisation is the process of the union of mobile sperm cell and immobile egg, generally taking…

Q: Where does fertilisation occur in human beings?

A: Fertilization is the process by which occurs when the male and the female gametes fuse together to…

Q: What is internal fertilisastion?

A: Fertilization is the process by which male and female gametes are fused together, initiating the…

Q: What is an ectopic pregnancy?

A: Ectopic pregnancies exist in around one out of every 50 conceptions, as per the statistics of the…

Q: Where are egg cells produced in a woman’s reproductive system? ____   Where does fertilization…

A: The biological system of an organism's reproductive system, also known as the genital system, is…

Q: what will the plumule become after the embryo grows? what will the radicle become after the embryo…

A: After the seed receives the necessary conditions for growth such as water, oxygen, right…

Q: What is self-fertilization?

A: Reproduction is a property shown by living organism in which one organism (parent) gives rise to new…

Q: What causes the newborn to take its first breath immediately after birth?

A: The amount of CO2 accumulated in the baby body caused acidosis

Q: How are the ovum and spermatozoa transported to the site of fertilisation? Describe the process of…

A: Fertilization is a natural life process that involves the union of male and female gametes,…

Q: What is normal gestation period(in days) of the developing foetus?

A: The developing zygote is called an embryo from the conception to the eighth week of the pregnancy.…

Q: What is the significance of cleavage during the early stages of development?

A: The cleavage is the division of cells in the early stage of an organism. This implies that with each…

Q: How is labor induced if a woman’s pregnancy extends past her due date?

A: Labor is a term used for the pain experienced by a woman before parturition. Hormonal actions result…

Q: How does oogenesis produce egg cells?

A: Oogenesis is a type of gametogenesis that results in the production of female gametes, also called…

Q: What factors could influence the length and timing of awoman’s monthly uterine cycle?

A: Ovulation stands for the phenomenon through which a mature egg is given out by the ovary in a…

Q: When is the sex of a fetus visible externally?

A: The standard gestation period of people is 38 weeks from the fertilization of the ovum. During the…

Q: How many days after ovulation does implantation occur?

A: The menstrual cycle is a reproductive cycle that occurs in females. During this cycle, ovarian…

Q: What is fertilisation? Give examples

A: Human beings are sexually reproducing organisms. The male reproductive system consists of pair of…

Q: What are the structural changes that occur in the uterus over the course of the menstrual cycle and…

A: The menstrual cycle is a sequence of natural modifications in hormone manufacturing and the systems…

Q: What is the first stage of labor in a pregnancy?

A: The first stage of labor and birth occurs when the regular contractions are felt. During the first…

Q: "What is the advantage of internal fertilization over external fertilization and vice versa"?

A: The natural cycle by which new individual creatures – "offspring" – are delivered from their…

Q: what is the purpose of calcium ion in fertilization?

A: * Fertilisation is an generative fertilisation fusion of gametes gives rise to a new individual…

Q: What is the acrosome?

A: A spermatozoon is motile sperm cells or moving from of the haploid cells that is the male gamete. A…

Q: What happens if fertilization takes place in utreus?

A: Reproductive system (or genital system) is used for the sexual reproduction. The female attains…

Q: how long is birth?

A: Labor is split into three different phases. The first step of labor involves full dilation of the…

Q: How long does it take for the embryo to implant into the uterine wall ?

A: The sperm of male fertilized the ovum of the female results in formation of the zygote. Sperm is…

Q: Why is it necessary for the egg to have changes leading to polyspermy block during fertilization?

A: Polyspermy is a lethal condition in which one egg is feritilized by more than one sperm

Q: what are the major events of embryo development? what are the major events of fetal development?

A: Embryo development as the name suggests the development or formation of the embryo. Embryo…

Q: What is the technical term for the fertilized egg?

A: The process of fusion of gametes from male and female parents is called fertilization. The sperm is…

Q: What specifically will happen if multiple sperm were able to fertilize one egg during fertilization?

A: It can lead to  polyspermy. When the sperm fuses with the egg, it triggers the release of calcium…

Q: In traditional accounts of fertilization, which characteristics are associated with eggs, and which…

A: The female reproductive cell, or gamete, in most anisogamous species is the egg cell, or ovum…

Q: What are implants? How do they help in preventing fertilisation?

A: Fertilization is a process of fusion of gametes, male and female gametes. In other words, it is a…

Q: What is double fertilization

A: In plants , apart from the fertilization process of triple fusion and double fertilization takes…

Q: What happens in the process of fertilization in animals and humans?

A: The cells of the biological unit of life. the cells comprise tissues which collectively forms an…

Q: How do the processes of capacitation and acrosome reaction affect the fertilization process? How do…

A: Introduction  Fertilization refers to the process when there is a fusion of male and female gametes…

Q: What is the developmental fate of the inner cell mass of the blastocyst?

A: A diploid zygote is formed by the union of a haploid egg cell and a haploid sperm cell. The zygote…

Q: What is the name of the structure that connects the placenta with foetus?

A: Introduction :- During pregnancy, the placenta is an organ that develops in the uterus. This…

Q: what is amniocentesis?

A: Prenatal genetic tests are conducted before the birth to detect any genetic disorder. It helps to…

Q: Define fertilization.

A: Embryonic development is also known as embryogenesis. This process includes the formation and…

Q: How does internal fertilization facilitate life on land?

A: Internal fertilization occurs inside the body of a female individual. Mostly internal fertilization…

Q: Why would the absence of a father affect the timing of puberty?

A: Puberty is defined as the stage when a child starts to grow sexually. During this stage, physical…