B
Most of the time of the year, the sun is more or less overhead of the equator. This is why people living around the equatorial region observe the sun overhead across the year.
Explanation:
Therefore, the sun rays hit the equatorial region more or less perpendicularly, and the rays have a thinner atmosphere to travel through due to this angle.
Closer to the poles, the rays ‘hit’ the earth’s surface at an increasingly oblique angle and the rays have a longer atmosphere to travel (due to the spherical nature of the earth) hence losing most of its energy due to collisions with air molecules. This is why the sun fell less intense at the poles than at the equator.
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Answer:
1/4
Explanation:
Epistasis is defined as a phenomenon in a genetics where the effect of the gene mutation which dependent on the absence or the presence of the mutation in more than one genes.
In the context, an epistatic allele in the Labrador retrievers which ensures the ee lab pups that are yellow and the two other alleles which control coat color are black that is dominant to the brown.
Thus, 1/4 portion of the yellow pups would expect from the parental cross where one of the parent is yellow (Bbee) and the other is heterozygous.
Thus the answer is 1/4.
Answer:
The roundworm C. elegans
Explanation:
The roundworm C. elegans became the first animal to have its genome sequenced, in 1998.Oct 4, 2017
Answer:
<h2>k. Pericentric Inversion</h2>
Explanation:
Such type of the condition in which any abnormality takes place in the chromosomes due to deletion or addition of the nucleotide in the DNA of the chromosomes is known as a chromosomal aberration or chromosomal abnormality. Generally, it takes place due to, mutation process and is classified into different groups such as deletion, insertion, pericentric inversion, and some others.
Inversion is a type of chromosomal abnormality in which the genetic material is inverted and thus caused abnormality. When the inversion process occurs around the centromeres then such type of chromosomal abnormality is called a pericentric inversion.
You can describe the motion of an object by its position, speed, direction, and acceleration. An object is moving if its position relative to a fixed point is changing. Even things that appear to be at rest move.