The germ theory of disease states that many diseases are caused by the presence and action of specific <span>microorganisms.</span>
<span>Molecular clock is a scale which uses a technique whereby evolutionary time for different life forms is deduced from the mutation rate of biomolecules. Biomolecular data used for calculations in order to come up with the prehistoric time scale normally uses nucleotide sequences for DNA or amino acid sequences for proteins.
Hence, in order to develop a molecular clock, one would need: a sequence of molecules, the rate at which changes occur in a type of molecule and how much total change has occurred in a type of molecule from different species.</span>
Answer:
Sexual reproduction involves the fusion of male and female gametes to form a zygote. The fusion of the nuclei of male and female gametes is known as fertilization. Asexual reproduction does not involve gametes, instead parts of a mature organism may develop to new individuals
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Answer:
True
Explanation:
Communities can include different species also.
The answer is D. This is illustrated in the attached punnet square . There 25% homozygous dominant and the 50% heterozygous will have a polka-dot ponytail phenotype. The 25% homozygous recessive will have a solid color tail. Therefore the phenotypic ration is 3:1 (75%:25%).
