Answer:
A. q 0.55
Explanation:
Frequency of genotye "BB" 
Frequency of genotye "bb" 
Frequency of genotye "Bb" 
Frequency of bb is represented as "
" as per Hardy Weinberg's principle.
Thus, frequency q of the recessive allele b is represented by
Hence, option A is correct.
The sugar in DNA is deoxyribose. ... Nucleotides in DNA contain four different nitrogenous bases: Thymine, Cytosine, Adenine, or Guanine. There are two groups of bases: Pyrimidines: Cytosine and Thymine each have a single six-member ring.
From the given choices above, the portion that is not readily penetrated by the sunlight is the river's or the stream's mouth. The plant life usually are on the surface of the water. The middle portion is occupied by the fish and other aquatic lives.
Answer:
1) They have a notocorda that serves as support through the back of the fish.
2) Gill bags. These organs are responsible for filtering the oxygen in the water.
3) A pineal eye that is sensitive to light.
4) A cartilaginous skeleton.
Explanation:
lipid=organic compounds commonly called fats and oils; are insoluble in water and used by cells for long-term energy storage, insulation, and protective coatings, such as in membranes
