Q: How many days does it normally take from the fertilisation of the egg up to birth of the baby?
A: The normal human gestation period is from thirty-seven weeks to forty-two weeks or 259 days to 293…
Q: What is an ovule?
A: The group of autotrophic organisms that have eukaryotic cells composing of cell walls is known as…
Q: How do the shape and structure of the uterus of the fetal pig compare with that of the human?
A: Reproductive system is used for the sexual reproduction. Female internal reproductive organs include…
Q: How many eggs does a woman have?
A: The phenomenon of sexual reproduction is more common than asexual reproduction. This is because, in…
Q: If it takes just one sperm to fertilize an egg,why do males make so many?
A: During fertilization, the head of sperm binds to the zona pellucida layer of egg and induce acrosome…
Q: How is the yolk sac formed?What is the function of theyolk sac?
A: Yolk sac is the membranous sac attached to the embryo. It is also known as umbilical vesicle.
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 causes the newborn to take its first breath immediately after birth?
A: The amount of CO2 accumulated in the baby body caused acidosis
Q: What is embryos
A: Introduction The life starts from single cell called Zygote. A zygote is formed by the fusion of…
Q: How does the egg get from the ovary to a fallopian tube?
A: Reproduction is essential for the production of the healthy offspring and it is not necessary for…
Q: Why should the sperm shrink into an elongated cell with a tail while the egg grows enormously?
A: Introduction :- Most animals generate sperm, also known as spermatozoon or spermatozoa, a male…
Q: Why does only one sperm fertilize the egg, and why is this important?
A: Fertilization is the process in which gametes (an egg and sperm) fuse to form a zygote. The egg and…
Q: Is there a exchange of cells between the mother and the fetus through the placenta?
A: We have to explain whether there is an exchange of cells taking place through placenta.
Q: What is ejaculatory duct and its function in cockroach?
A: Cockroaches (Periplaneta americana) fall under the phylum Arthropoda of the class Insecta.
Q: What would be the number of chromosome in the spermatids?
A: The thread-like structures present in the nucleus of almost all living cells are termed as…
Q: Where does the formation of germ cells and sperm takes place?
A: Developmental biology is that the branch of biology that deals with the study the processes by that…
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: IS opulation?
A: A population is a subgroup of individuals from a single species that inhabit a specific geographic…
Q: Which structure connects the embryo to the placenta?
A: Umbilical cord
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: What is the history of birth rates?
A: The birth rate is also relatable to the term referred to as Natality. The birth rate is defined as a…
Q: What triggers activation of the egg?
A: The sperm of several species are attracted to the eggs of their own species by the process of…
Q: If the egg is NOT fertilized, the lining of the uterus will shed. This is called?
A: In the event that the egg is fertilised by a sperm cell as it goes down the fallopian tube,…
Q: How is an infant's head circumstance measured
A: A nurse is a trained individual who plays an important role in the health care by providing primary…
Q: What are the three germ layers formed during gas-trulation, and what are the principal structures…
A: Introduction :- Gastrulation is a process in which an embryo converts from a one-dimensional layer…
Q: Is the sperm or the egg are responsible for the sex of the cheaks?
A: In birds, the sex determination follows ZZ-ZW mechanism. In this mechanism, male is homogametic (ZZ)…
Q: Explain how is the age of the embryo and it's delivery date determined?
A: An embryo is the early stage of development of a multicellular living being. In common, in life…
Q: Where does fertilization usually take place?
A: The reproductive system consists of two system namely male reproductive system and female…
Q: Does the position of the fetus in the uterus change very much toward the endof the 38th week?
A: The best ideal position for labour is head-down, facing back, with chin tucked to its chest and back…
Q: What is the first appearance of embryonic callus?
A: Callus is defined as an unorganized tissue mass growing on solid substrate. Callus forms naturally…
Q: Describe the changes that occur during the first yearafter birth.
A: The first year after birth, a baby is called an infant. Childhood starts at the age of two and last…
Q: What is the direction of the ovule in these figures? Based on the text.
A: Plants are multicellular and eukaryotic organisms. Plant body is made of shoot and root. Shoots are…
Q: How many sperms will be produced from 10 primary spermatocytes and how many eggs will be produced…
A: Gametogenesis is a process through which male and female gametes (sperms and eggs) are formed in the…
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: How does the embryo get nourishment inside the mother’s body?
A: Embryo means the developing offspring from the time of approximately 2nd to 8th weeks after the…
Q: What is the product of fertilization?
A: Reproduction is a fundamental feature of life. Reproduction occurs in two forms, asexual and sexual…
Q: How does the sperm reach upto egg and how does it enter into the egg?
A: Fertilization is the process in which a sperm and egg are fused together in the uterine tube of the…
Q: What is indirect development?
A: Development involves the functional and physiological maturation of an individual. It is a…
Q: What is the difference between the testes of shark and frog?
A: Testes are the male reproductive organ that is responsible for producing spermatozoa or male…
Q: How is the Placenta as an Important Lifeline between Mother and Baby?
A: During pregnancy, an organ termed the placenta forms in the uterus. Several variables can impact the…
Q: What occurs in the female after fertilization of the egg? What happens if the egg is not fertilized?
A: The menstrual cycle refers to the monthly series of changes that a woman's body undergoes in order…
Is the sperm or the egg responsible for the sex of the chicks?
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