Black color (B) and practising gait (t) horse has a genotype BBtt
Chestnut color (b) and trotting gait (T) horse has a genotype bbTT
<span>Crossing BBtt x bbTT
</span> <span>The genotype of the offspring is going to be
BbTt, which means that the phenotype is black color and trotting gait horse.</span>
Thermophiles (Archeans which live in extremely hot temperatures)
It's damage in the hearts major blood vessels
Stars are formed in clouds of dust and gas (nebulae.) Nuclear reactions at the center (core) of stars gives enough energy to make them shine brightly for many, many years. The exact l<span>ifetime of a star depends on its size.</span>
I think C) mate the black guinea pig with a white guinea pig. I am not sure