Answer:
D. Amino Acids
Explanation:
DNA and RNA viruses are included in an organism's genome. The genome component that codes for a protein or RNA is called a gene. The protein-coding genes consist of tri-nucleotide units called codons, each with an amino acid code.
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Answer:
The cloned sheep is the result of nuclear fusion from two different sheeps. In one sheep the enucleated egg is fused with DNA of another sheep.
Explanation:
The cloned sheep is the result of nuclear fusion of 2 different sheep. In the cloning process, the egg cell of one sheep was enucleated. Then a DNA from another sheep had taken and put into the enucleated egg cell to fuse. Then the egg allowed to divide in the laboratory to the blastocyst stage. The blastocyst incorporated into a surrogate mother or a third sheep. The surrogate mother after some months gives birth to the cloned sheep.
The sheep produced by normal reproduction has the DNA of two parents. The sheep have two parents and resemble their parents.
In cloned sheep, there is no biological parent and have DNA of the donor sheep. That means the cloned sheep has a gene of a single sheep not the DNA of others. Because the egg cell was enucleated before the cloning process. The sheep are more like the donor DNA sheep not like the surrogate mother.
The correct answer is helper T cells.
<span>The helper T cells are one of the main cells of the adaptive immune system. Their role is to help the activity of other immune cells by releasing T cell cytokines and they are required for almost all adaptive immune responses. The helper T cells activate B cells to secrete antibodies, stimulate macrophages to destroy ingested pathogens, and help in activation of cytotoxic T cells to kill infected target cells.</span>
Answer:
Incomplete dominance
Explanation:
Incomplete dominance is a type of non-mendelian inheritance pattern in which one allele of a gene is not dominant or recessive to the other allele, hence, both alleles combine to form a third intermediate phenotype, which is a blending of both parental phenotypes.
In this case, a red bird (RR) mates with a white bird (WW) to produce offsprings that have pink feathers (RW). This shows that the allele for red coloration is incompletely dominant to the allele for white coloration, hence, both combines to produce a PINK (RW) intermediate phenotype. This portrays incomplete dominance.
