Biology, 19.01.2021 21:00 jaretktm2449
Gene mutations can be caused by many things. These mutations are biologically important because they (1) occur at a regular rate and therefore can be controlled (2) can be passed to the offspring if they occur in any cell of the body (3) are always harmful and therefore help to eliminate weak traits (4) can result in a new variety of gene combinations in the species
Answers: 1
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 21.06.2019 21:00
Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+
Answers: 1
Biology, 22.06.2019 06:30
The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius
Answers: 2
Biology, 22.06.2019 09:20
Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell
Answers: 2
Gene mutations can be caused by many things. These mutations are biologically important because they...
Mathematics, 28.01.2020 11:31
History, 28.01.2020 11:31
Mathematics, 28.01.2020 11:31
History, 28.01.2020 11:31
English, 28.01.2020 11:31
Chemistry, 28.01.2020 11:31
Mathematics, 28.01.2020 11:31
Physics, 28.01.2020 11:31
Mathematics, 28.01.2020 11:31
Mathematics, 28.01.2020 11:31
English, 28.01.2020 11:31