Fertilization and Development
Fertilization and Development: Overview
This topic covers concepts such as Capacitation, Cortical Reaction, Cleavage of Zygote, Blastomeres, Morula, Trophoblast, Implantation, Placenta, Gastrulation, Chorionic Villi, Human Chorionic Gonadotropin, Role of Estrogen in Pregnancy, etc.
Important Questions on Fertilization and Development
Placenta is connected to the embryo via:
Arteries carry oxygenated blood except
Assertion: Holoblastic cleavage with almost equal sized blastomeres is a characteristic of placental animals.
Reason: Eggs of most mammals, including humans, are of centrolecithal type.
What are yolk sac and allantois ?
Fertilin is an egg recognition protein present in the sperm plasma membrane.
FSH is the primary female sex hormone.
Which among the provided options is the primary female sex hormone?
The neural plate is derived from embryonic ectoderm.
Neurulation begins when the embryo is at the blastula stage.
Explain the process of neurulation.
Define neurulation process.
Blastocoel is formed during the gastrulation process.
Explain the process of formation of the blastocoel in humans.
Define the blastocoel of an embryo.
Morula differentiates to form blastocyst in humans.
Define the blastulation process occurring in a human embryo.
One probable cause of polyspermy is an abnormal zona pellucida.
Polyspermy is a predominant condition seen in humans.
Mention different causes of polyspermy.
