LINKAGE

We all have studied in our junior standards about cell. Cell is the the structural and functional unit of life, from them the origin of life takes place. The cell contains a nucleus which contains th genetic material for the survival of the organism DNA. DNA contains the chromosomes. There are .any several genes present on the chromosomes. As the chromosomes are the carriers of heredity they have the tendency to be inherited together, such genes are called linked genes. The tendency of two or more genes present on the same chromosomes that are inherited together is known as linkage. This phenomenon was discovered in plants by Bateson and Punnett and in animals by T.H. Morgan.

MORGAN EXPERIMENT

Morgan used Drosophila melanogaster for his experiments. He carried out many dihybrid cross experiment on drosophila melanogaster to study genes that are sex linked; for example, he and his group crossed yellow-bodied, white eyed female to the wild type with brown-bodied, red eyed males and intercrossed their F1 progeny. He observed that the two genes did not segregate independently of each other and F2 ratio deviated very significantly from 9:3:3:1 ratio. Morgan and his group knew that the genes are located on X chromosome and stated that when when two genes in a dihybrid cross are situated on the same chromosomes then the proportion of the parental combination is much higher than non parental type. This occurs due to physical association or linkage of the two genes, he also found out when genes are grouped on the same chromosomes some genes are strongly linked and some are loosely linked.

COMPLETE LINKAGE

The linked genes which are closely located on the chromosome do not separate and inherited together are called completely linked genes and the inheritance is called complete linkage.

INCOMPLETE LINKAGE

When the linked genes which are loosely located on the same chromosome and have chances of seperation by crossing over are called as incompletely linked and their inheritance is called as incomplete linkage.

Top Five Side Hustle For Student

How to earn money while your student?

Yes, you can earn up to $500 a day for your work. In fact ,many students would be wonder if it’s even possible .To get started, here are five verified side hustles.

1)SELLING COURSES AND EBOOOKS

WISE PEOPLE ARE HUNGRY FOR EDUCATION.DON’T BE AFRAID TO SHARE WHAT YOU KNOW

You can earn cash for the courses, eBooks on the online. As the world is developing with mobile phones, desktop you can built a course, eBooks in online and sell it through many websites. The selling courses may helping hand in financially and mastery in the field. If you are beginner , fell free to learn and acquire knowledge from online websites which may help you make extra money. Selling online course can be moneymaking if you’re skilled to handover great content and built traffic. With the online platform , you can vend your course and start making money right away.

Here are some tips to write for selling :

  1. Choose a topic wisely
  2. Be a learner and researcher on the topic
  3. prepare the key phrase
  4. Develop SEO knowledge.

2)BECOME A ONLINE TUTOR:

Some of us have hobbies to teach anything in the simple way. This hobby may help in the online world to make some money. Tutoring isn’t only a good paying side hustle for students, it can also bonus for full-time professions. Being tutoring may boost your knowledge , confidence and productivity. Many expects are using tutoring as the side income. Many of us have knowledge in some particular field but we are not sharing or tutoring to others .If you have knowledge in the particular field fell free to learn and master it. Online tutoring is one of the profitable business. It can improve learning outcome.

Here are few steps to guide to become an online tutor:

  1. Choose your knowledgeable topic
  2. Choose some online platform
  3. Join e-learning platform
  4. Place the course model.

3)RUN PAGES ON INSTAGRAM

Many student are having Instagram pages but there are some students earning money by using Instagram Business page. Recent survey shows that eighty percent of student are using Instagram only for entertainment. So be wise with online world whether you are time passer or money maker.

BE SMART, WORK SMART

Here are some maitaining strategy to build instagram pages

  1. Organize your content strategy
  2. Use popular Hashtags
  3. Connect with influencers
  4. Be a motivator, activist

4)START ONLINE STORE

The most valuable things in the world is process of selling anything. You can start your selling through online or offline. There are many online selling platform which useful for you.

SELL THE PROBLEM TO SOLVE NOT THE PROCESS

Here are some simlpe steps to start online store :

  1. choose a idiomatic Name
  2. Make website address to sell online
  3. Use an e-commerce platform
  4. Spread the website
  5. Proceed your special selling proposition

5) INVEST IN STOCK MARKET

BUY LOW, SELL HIGH

According to the recent survey , only three percent of Indian population are investing in the stock market. The stock market is the only and easy way to build wealth. Many is the only and easy way to build wealth. Many student are think that stock marker is the rich’s game. But in reality, even hundred rupees is enough to earn money in the stock market. It is safe to invest in stock market , however as an investor, one must research and plan accordingly.


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Here are some ways to earn money in stock market

  1. Learn stock trading
  2. Do research on the stock or company \
  3. Be patience
  4. Learn everyday
  5. Never play with money with emotions influence.