It is heterozygous b/c the 2 letters are different, 1 being dominant and one being recessive.
The universe began about 14 billion years ago. Or 13.7 billion
(The question of who gets to benefit from these technologies), things like cas9 and rDNA will change everything. another most likely answer would be (<span>The question of the long-term effects on consumers and the targeted species) BUT we know that it would be catastrophic if we used things like cas9 to change the evolutionary scale than to USE IT AS A CURE.</span>
