The four terrestrial planets are known as Mercury, Venus, Earth and Mars, they are all rocky planets composed primarily of silicate rocks and/or metals. They are all the planets closest to the sun in our Solar System. The Gas Giant's or Jovian Planets and <span>are composed mainly of a combination of gases/elements: </span>hydrogen<span>, </span>helium<span>, and </span>water<span> that exist in various </span><span>physical states. These are Jupiter, Saturn, Uranus and Neptune. Behind them is the dwarf planet Pluto (which has recently been re-instated officially as a planet), this is located in the Kuiper Belt.</span>
        
             
        
        
        
C. bb because the white allele is recessive
        
             
        
        
        
Answer:
archaea
Explanation:
i think cause they have its cells
 
        
             
        
        
        
YES THAT FIRST SENTENCE IS VERY TRUE.YES, GENE DOPING IS USED BY MANY ATHLETES AROUND THE WORLD.IT CAUSES SEVERAL EFFECTS LIKE:
 a) increased extraordinary hematocrit
 b) increased thrombotic activity
 c) autoimmune anemia,ETC.
 ANY TWO GENETIC MODIFICATIONS THAT WOULD IMPROVE THE PERFORMANCE OF AN ATHLETE ARE:
 a.gene therapy should be given to produce more hormones in the body.
 b. gene therapy is given to athletes because they have been used to study and model cancer (the oncomouse), obesity, heart disease, diabetes, arthritis, substance abuse, anxiety, aging and Parkinson disease to check for the athletes.