Tappar from New Delhi asks

How did scientists conclude that a major part of our genome is junk? Did they search for open...

Bethany Garrison from Summerville, SC asks

My mom and I are having an argument. She claims that the gene for blonde hair will be wiped out...

Bryn Williams from Vancouver asks

If the telomeres of a cloned organism are smaller than a non-cloned organism, and therefore may...

Gary A. Ballan asks

I know that there has been success with crossbreeding horses with zebras, dogs with wolves and...

James from Hamilton asks

How do we explain the difference between cells that can repair damaged tissue, such as skin cells,...

Michael from Winnipeg asks

I've been doing a science fair project testing the effectiveness of Lactaid(TM) lactase. From a...

Alexa Clay asks

How do scientists modify a virus so that it can be beneficial to a host cell? For example, during a...

Anthony from Windsor, Ontario asks

Are there any species that have evolved, but still have their ancestors co existing with them on...

Marc Doucet from Bathurst, New Brunswick asks

Are the pores of the cell membrane composed of protein molecules or are they simply holes in the...

Brenda from Sydney/aust asks

I have read about the bobtail gene in dogs and wonder if the reason it is found in herding dogs is...

Sanjeev Kumar from New Delhi asks

Why is it impossible to integrate photosynthetic machinery genes into animal cells....