Answer The correct answer is -
An example of multiple allelism in humans is ABO blood group system.
Explanation:
Multiple allelism can be described as a condition when three or more than three gene variant ( also called alleles) occupying the same locus, are present within a population. However, only two of those alleles are present within a single organism.
For example, the ABO blood group system, which is controlled by three different alleles (A, B, and O) is an example of multiple allelism.
B hydrogen
C oxygen
D nitrogen
The correct answer is option B, hydrogen.
The majority of the atmospheric gases are found in the sea water solution. In supplementation to oxygen and nitrogen, the most profusely found gas in the atmosphere, that is, carbon dioxide is found in the ample concentrations in the ocean waters.
However, hydrogen is not present, and if found it is found in minute concentration. Of the gases, nitrogen is the most abundant gas found in seawater, while oxygen is the second most abundant, and carbon dioxide is the most soluble gas, and one of the various constituents, which influences the pH balance of the ocean.
The answer is B. hydrogen.
According to natural selection, skeletal changes occur gradually as individuals adapt to their environment and pass these changes on to their descendants.
We can arrive at this answer because:
As a result, the skeletal modification takes place gradually in the population of individuals as new members are born and old members die.
More information:
internal fertilization
conjugation
pollination
Solution:
An act of fertilization in which genetic information is transferred between cells is called conjugation.
Image result for What is conjugation in science?en.wikipedia.org
Conjugation is the process by which one bacterium transfers genetic material to another through direct contact. During conjugation, one bacterium serves as the donor of the genetic material, and the other serves as the recipient.
This is the required answer.
An act of fertilization in which genetic information is transferred between cells is called conjugation.
Conjugation is the transfer of genetic material between bacterial cells by direct cell-to-cell contact or by a bridge-like connection between two cells.[1] This takes place through pilus
Water exists in all the statesofmatter which are the solid, liquid, and gaseous states.
Water is known to exist in three different physicalstates. These are the solid state as ice, the liquid state as water itself, and the gaseous state as water vapors.
Under the conditions of standard temperature and pressure, the freezing point of water is zero degrees Celsius. At this temperature, water starts to freeze and attains a solid form which is in the form of ice. The density of ice is lower than the density of water because of the fixed intermolecular distances in ice.
Under the conditions of standard pressure and temperature, water exists in liquid form between temperature ranges of zero to a hundred degrees Celsius. Liquidwater is essential for all organisms. It functions as a universal solvent.
At a temperature above hundred degrees Celsius, the intermolecular integrity between the molecules of water starts to decrease and ultimately breaks completely. In these conditions, the water turns into vapors.
Therefore, water exists in all the states of matter which are solid, liquid, and gaseous states.
Read more about statesofwater, here
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Rewrite the sequence to show a substitution of a nucleotide in the DNA strand.
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