Answer:
Haemoglobin (Hb) is a protein present in red blood cells that transports oxygen and gives blood its dark/vivid red color. The amount of haemoglobin in the blood varies from person to person. Men's levels are often greater than women's. This is scientifically proven however, it is often but not all the time.
Drivers should not use their cell phones behind the wheels, because of the danger of accident. The use of cellphones causes 26% of the nation's car accidents. <span>Using a cell phone while driving increase your risk of having an accident about 400 percent. </span>
Answer: Option C) It is a frameshift mutation that changes many amino acids.
Explanation:
Due to the triplet nature of gene expression by codons, the insertion of the single Adenine nucleotide will disrupt the reading frame of the gene (frameshift mutation), such that it is no longer evenly divisible by three.
Thus, resulting in a completely different translated protein from the original.
Answer:
crossing over is the exchange of genetic material between human chromosomes. it result in New combination of genes on each chromosome .IT results in damage that had unique combination of chromosomes. in sexual reproduction to gamates unite to produce an offspring.