Explain fertilization of sea urchin from Recognition of egg and sperm, Gamete fusion

Q: Name the organ of sexually reproducing animal.

A: Sexual reproduction is the production of a new organism in which the male gametes fuse with a female…

Q: Enumerate and describe the patterns of cleavage exhibited by the frog.

A: Cleavage is a process that occurs in early embryogenesis, whereby a single fertilized egg cell (the…

Q: pathways during

A: Introduction : Oviposition :-It involves the deposition of the mature egg outside the body of the…

Q: State the function of homeotic genes. Describe how nurse cells in fruit flies can affect larval…

A: Homeotic genes are a group of genes that control the pattern of body formation during early…

Q: 29. Parthenogenesis is the process that eusocial insects commonly use to: a) Create new hives after…

A: Insects are a class of invertebrate animals that are characterized by having three body segments…

Q: Explain the advantages and disadvantages of self fertilization in these flatworms

A: Flatworms are the organisms that belong to the phylum “Platyhelminthes’. These organisms are…

Q: Write detail essay on fsh, LH and gametes.

A: Reproductive system is a process which requires the action of the hormones from the gland called as…

Q: Explain one key process involved in the development of insects from one instar stage to another

A: Before the insect attains sexual maturity, the insect is referred to as a larva that undergoes…

Q: Describe the process involved in hermaphrodite reproductive strategy in chaetognatha.

A: Chaetognaths also called as arrow worm because of its shape as torpedo or arrow. These are dominant…

Q: Draw the H. diminuta egg and adult

A: Hymenolepis diminuta is a parasite that causes Hymenolepiasis. It is also known as rat tapeworm. It…

Q: Illustrate an egg in the morula stage. How does its size compare with that of the fertilizied egg?

A: MORULA STAGE OF EGG- It is an early stage of embryo consisting of 16 cells called blastomeres  which…

Q: Describe the process of Neurulation, formation of neural crest & placodes, and the derivatives and…

A: The central nervous system's brain and spinal cord eventually diverge from the neural plate by a…

Q: Describe the Gastrulation in Caenorhabditis elegans.

A: The study of embryo development is known as embryology. This covers the transformation of a…

Q: Describe the various methods of asexual reproduction in Ulothrix.

A: Ulothrix genus is a fresh water green algae found in ponds and lakes. The cells contain a distinct…

Q: Write the Patterns of embryonic cleavage and whole mechanism of cleavage. Write gastrulation in sea…

A: Cleavage is the division of cells in early embryo. There may be equal or unequal divisions.

Q: Which of the following follows fertilization in Xenopus embryos? Calcium waves cause non-yolky…

A: Fertilization in xenopus embryos is  mainly complex multi-step process that completed in 24 hours.…

Q: Describe the process of germ cells migration in mammals.

A: The line of germ is that the sex cells (eggs and sperm) employed by genetic material to transmit…

Q: Write a short note on fertilization in Riccia ?

A: These plants are small and thalloid, meaning they lack root, stem, and leaf differentiation. The…

Q: Define common prostatic and spermatic duct on earthworm?

A: Earthworms are hermaphrodites but they cannot fertilize their own eggs because of the relative…

Q: Give the process of internal fertilization in turtle. Show illustration how the fertilization…

A: Turtles are a type of reptile known as Testudines. They are distinguished by a shell made primarily…

Q: Draw the H. nana egg and adult

A: H.nana or hymenolepiasis is caused by tape worm or cestode species. It is also called as dwarf tape…

Q: Describe the stages of eudicot development.

A: Eudicots or eudicotyledons are the flowering plants characterized by the presence of two leaves of…

Q: Describe the events that lead to slow and fast blocks to polyspermy and the differences between the…

A: Question - Describe the events that lead to slow and fast blocks to polyspermy and the differences…

Q: Describe internal fertilization process in sea urchin.

A: The process of internal fertilization occurs when a male and female gamete fuse inside the female…

Q: Describe the formation of a zygote. How many pairsof chromosomes are in a zygote, and where do…

A: A zygote is the fertilized cell that will develop into a new animal or plant. When a female's ovum…

Q: Illustrate the top-to-bottom and head-to-tail orientation of the fruit fly embryo.

A: The fruit fly is known as Drosophila melanogaster is a common fly found on fruits like ripe bananas.…

Q: Explain C. elegans embryos.

A: Answer: Introduction: The nematode worm Caenorhabditis elegans is a minor and organized organism.

Q: What is the male reproductive system of frog?

A: Sexual dimorphism is present in frog. During the breeding system, both the male and female frogs…

Q: Explain the chromosomal and genetic control of sex determination in mammals. Clearly establish the…

A: Mammals belong to the class Mammalia. They are vertebrates. It belongs to the kingdom Animalia and…

Q: Include stages of reproduction in roaches - starting with the egg and sperm to zygote then to young…

A: Cockroaches, insects commonly found in dark, moist places. If they appear inside the home immediate…

Q: Identify four functions of invertebrate neurohormones and describe the regulation of insect…

A: The four functions of invertebrate neurohormones are as follows- 1. Reproduction 2. Molting3.…

Q: Describe a situation in which asexual reproduction might be more likely than sexual reproduction

A: Asexual reproduction is the process when an organism reproduces without exchanging genetic…

Q: Describe the development of the bilaminar germinal disc.

A: The bilaminar disc, also called a bilaminar blastocyst, is the epiblast and hypoblast developed from…

Q: Define gastrulation and morphogenesis.

A: The development of a baby from the zygote during pregnancy involves several stages. It starts with…

Q: What kind of cleavage pattern characterizes snail development? Describe its orientation.

A: Snails, earthworms and flatworms are remarkably different animals, but they all exhibit a very…

Q: Briefly explain post zygotes barriers to reproduction and list an example.

A: Given: Reproductive isolation is a collection of mechanisms physiological processes and behaviors…

Q: oviposition for

A: Oviposition is the process of expelling eggs from the oviduct to the external environment.

Q: State one way in which Xenopus and chick development are same and one way that they differ? ASAP

A: The process of development of an animal is known as developmental biology. This process may follow…

Q: Explain about The Megasporangium (Ovule).

A: A sporangium is the capsule structure that belongs to many plants and fungi, in which the…