The expected progeny plants of the F2 generation (pink flower x<span> pink flower) will be:
</span>1/4 = 25% RR (homozygous dominant)- phenotype: red
2/4 = 50% Rr (heterozygous) phenotype: pink
1/4 = 25% rr (homozygous recessive)phenotype: white
R- red
r- white
There might be no food or places to live!
I believe the correct answer from the choices listed above is the third option. It is oxygen that is a necessary reactant for cellular respiration to occur. Cellular respiration, in a sense, is breaking down sugar in the presence of oxygen. Hope this answers the question.
<em>T</em><em>o analyse mineral content from </em><em>earth's </em><em>crust</em>
Answer:
true
Explanation:
this is true. because some freshwater evosystems are terrestrial
