Formation of identical twins and fraternal twins, Biology

Assignment Help:

Describe the events which lead to the formation of (a) identical twins, (b) fraternal twins.

(a) Identical twins are derived from the products of a one zygote which separates into two at an early stage of development.

(b) Fraternal twins result from the instantaneous fertilisation of two ova.

Related Discussions:- Formation of identical twins and fraternal twins

Define the major source of vitamin a, Define the major source of vitamin A?...

Define the major source of vitamin A? The major source of vitamin A, as you may be aware, is the carotenoid pigments which are synthesized by plants. Several carotenoid possess

How to prevent hiv-infection, HIV-Infected patients Because TB therapy ...

HIV-Infected patients Because TB therapy is complicated by co-infection with HIV, testing for HIV infection is recommended for all patients with active tuberculosis. To minimiz

What is the single tooth implant case, In Single Tooth Implant Case: a)...

In Single Tooth Implant Case: a) Vertical distance available between the crest of residual ridge to the opposing occlusal surface. At least 7 mm space is required to a cementab

Observation or inference for half and full saturation test, Define Observat...

Define Observation or Inference for half and full saturation Test? 1. Starch is precipitated by half saturation with ammonium sulfate whereas dextrin is not precipitated. This

What are the two reproductive novelties of beings, Compared to amphibians w...

Compared to amphibians what are the two reproductive novelties of beings of the class Reptilia for the survival in dry environments? Compared to amphibians the two major reprod

Implementation of nursing care plan, Implementation The planned goals ...

Implementation The planned goals and strategies are translated into nursing intervention by means of the nursing care plan. It is essential that the client and family par

Invertebrates, describe the phylums of invertebrates?

describe the phylums of invertebrates?

Explain about ecological species concept, Q. Explain about Ecological speci...

Q. Explain about Ecological species concept? The ecological species concept: This identifies a species as a population that occupies a distinct ecological niche, whence its rep

Define the fact that we must eat to gain the energy, Which law of thermodyn...

Which law of thermodynamics explains the fact that we must eat to gain the energy to perform the functions of life, such as breathing? a. fourth law b. first law c. second law d

ASSINMENT, HISTORY ON CLASSIFICATION IN BIOLOGY

HISTORY ON CLASSIFICATION IN BIOLOGY

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages