The percentage of progenies with red eyes and spine will be 56.25%.
<h3><u>Explanation:</u></h3>
This cross will be just similar to Mendel’s Dihybrid cross where he crossed the pea plants considering two characters at once.
Here two characters that are taken into account are eye colour and presence of spine. The eye colour has two traits - red and brown. Red colour is dominant. The presence of spine has also two possibilities - presence of spine or absence of spine.
The allele denoting red eye colour is R and allele denoting brown eye colour is r. Similarly, the allele denoting presence of spine is S and absence of spine is s.
Genotype of the heterozygous parents = RrSs.
Gametes produced by the parents= RS, Rs, rS and rs.
So crossing them, we get the phenotypic ratio of red eyed spined : red eyed spineless : brown eyed spined : brown eyed spineless = 9:3:3:1.
So, the percentage of red eyed spined = 56.25%.
Answer
regulates the transport of materials entering and exiting the cell.
Answer:
Pros-
Geothermal energy is generally considered environmentally friendly and does not cause significant amounts of pollution.
Geothermal reservoirs are naturally replenished and therefore renewable (it is not possible to exhaust the resources).
Massive potential – upper estimates show a worldwide potential of 2 terawatts (TW).
Excellent for meeting the base load energy demand (as opposed to other renewables such as wind and solar).
Great for heating and cooling – even small households can benefit.
Harnessing geothermal energy does not involve any fuels, which means less cost fluctuations and stable electricity prices.
Small footprint on land – can be built partially underground.
Geothermal energy is available everywhere, although only some resources are profitably exploitable.
Recent technological advancements (e.g. enhanced geothermal systems) have made more resources exploitable and lowered costs.
Cons
- There are some minor environmental issues associated with geothermal power.
Geothermal power plants can in extreme cases cause earthquakes.
There are heavy upfront costs associated with both geothermal power plants and geothermal heating/cooling systems.
Very location specific (most resources are simply not cost-competitive).
Geothermal power is only sustainable (renewable) if the reservoirs are properly managed.
Explanation:
Eukaryotic cells are complex. Cytoplasm is simply what all the organelles are submerged in including the nucleus. RNA is replicated into DNA in the NUCLEUS when cell division is to occur.
