A. Basalt
Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of plagioclase and pyroxene. The specimen shown is about two inches (five centimeters) across. Diorite is a coarse-grained, intrusive igneous rock that contains a mixture of feldspar, pyroxene, hornblende, and sometimes quartz.
Regulation of water balance in the joint is not a characteristic.
Synovial fluid is made of proteins and cells, rich in hyaluronic acid.
You can found it on articulations covering de extremes of the bone.
Its function is to lubricate the movement, protect the articular cartilage and shock absorption when we jump or have some kind of impact.
The duplication of centrioles occurs at the same time as DNA duplication for the cell cycle; that is, in the S phase of interphase.
Hi!
The correct answer would be A.
<h3>Explanation:</h3>
As the allele P for polka dot is dominant to the allele p for solid color, it would yield a Polka dot tail in the individual in the presence of just one allele of P, while masking the effect of p for solid color.
So the possible genotypes and phenotypes would be as follows:
- PP (Polka dot tail)
- Pp (Polka dot tail)
- pP (Polka dot tail)
- pp (Solid color tail)
Following a cross by two heterozygous individuals, there would be 25 percent chance (1/4) of having the genotype pp , 25 percent (1/4) chance of having the genotype PP and 50 percent (2/4) chance of having the genotype Pp.
But the phenotype yielded by Pp and PP offspring would be polka dots, so there is a 75 percent (3/4) chance of having polka dot offspring, and 25 percent chance of having solid colored tail offspring.
<h3>Hope this helps!</h3>
