Answer:
B
Explanation:
They are the closest related.
The question is incomplete as it does not have the options which are:
A. Speciation
B. the founder effect
C. natural selection
D. gene flow
Answer:
Founder effect
Explanation:
The founder effect is the phenomenon observed when the members of the population establish a new population.
This effect is observed due to the immigration and emigration of the individuals of the population.
In the given question, the four lizards swept away with the ocean and reached a new island. There they reproduced and flourished and by the time they formed the new population with orange stripes. This is the case of the genetic drift especially the founder effect in which the new alleles for the orange tail expressed.
Thus, the founder effect is the correct answer.
Answer:
In humans, mature red blood cells are flexible and oval biconcave disks. They lack a cell nucleus and most organelles, to accommodate maximum space for hemoglobin; they can be viewed as sacks of hemoglobin, with a plasma membrane as the sack.
Explanation:
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Explanation:
the allele for unattached earlobes is dominant over the allele for attached earlobes. In a population if “500 individuals”, 25 percent show the recessive phenotype. How many individuals would you expect to be heterozygous for this trait?
possible answers:
• 75
•125
•200
•25
Answer:
Due to increasing the survival.
Explanation:
The natural selection causes a change in allele frequency leading to a change in the color of the frogs because the colour of the frog helps it in hiding from predators. The population of that frog specie increases which has the ability to hide from the predators in that environment while on the other hand, the population of frog decreases which can easily be seen by the predator due to its colour so this change in allele frequency will leads to natural selection.
