Having homologous chromosomes indicates that the organism is a DIPLOID SPECIE.
A homologous chromosome refers to a pair of chromosomes which originate from each parent. Homologous chromosomes posses the same length, banding patterns, amount of genes, location of genes and location of centromeres. However the genes in the homologous chromosomes may or may not be the same.
Environmental factors typically activate genes in a cell by causing the cell to transcribe specific DNA segments to mRNA for translation.
This interaction is an example of environmental factors affecting <u><em>genetic expression</em></u>. In these situations, the environment causes specific segments of DNA to be expressed, meaning they are transcribed to mRNA and subsequently used to form proteins.
Meanwhile, other parts of the genome remain or are forced to be silent. This can be a result of mutations or simple biochemical reactions between the environment and the genome.
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Stomata allows gas exchange throughout the leaf so your answer is carbon dioxide
: D
A control group of the experiment is the one in which no treatment or intervention is given. So, in your case, the pea plants in which was not subjected any of the fertilizers, will serve as a control group. This is a negative control. A positive control group is the one in which an established treatment is given, which definitely leads to the production of the desired character. So, in your case, a very good well-known fertilizer which has a positive control on the growth of the pea plant, would serve as a positive control.
Answer:
sperm cells only a few hundred are able to traverse the long way through the cervix, the uterus, and past the fallopian tube isthmus to the tube's ampullary region to there meet oocyte.
Explanation:
