Answer: Comparing the DNA sequence of the organisms can also tell you how closely related species they are. It can give you even more information since the original DNA is how the amino acid sequence of cytochromes is coded for.
Looking at embryonic development also helps you determine the phylogeny of organisms because a way an embryo develops can be very similar to the way another species develops but then both are full-grown they look very different and its tuff to explain how close they might be related
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The conditions which describe the partial pressures of systemic cells under resting conditions are:
- Relatively constant partial pressure of gases
- PCO₂ of 45mm Hg, and
- PO₂ of 40mm Hg
<h3>What are systemic cells?</h3>
Systemic cells are cells of the body which receive oxygen from the capillaries during respiration and gaseous exchange.
The systemic cells receive oxygen-laden blood from the capillaries and transfer carbon dioxide into the blood capillaries.
The conditions which describe the partial pressures of gases of systemic cells under resting conditions are as follows:
- Relatively constant partial pressure of gases
- Partial pressure of carbon dioxide, PCO₂ of 45mm Hg, and
- Partial pressure of oxygen, PO₂ of 40mm Hg
In conclusion, the partial pressure of the gases in systemic cells under resting conditions are fairly constant.
Learn more about partial pressure of oxygen and carbon dioxide at: brainly.com/question/14679014
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Explanation:
A chromosome is a structure that is made of a chemical known as deoxyribonucleic acid, or DNA as well as protein. Chromosomes are found in the nucleus of cells. Chromosomes contain many genes.
A gene is a molecular unit of heredity. Each gene codes for a polypeptide, which becomes a protein that performs a function in a living thing. The DNA molecules are very long and in order to fit inside the nucleus of a cell, they are highly coiled and condensed. During sexual reproduction, one haploid set of chromosomes is given to the offspring from each parent, forming a diploid amount of chromosomes in the offspring.
Since chromosomes contain all of our genes, an organism that reproduces sexually gets a combination of genes from both parents. Genes that are expressed produce an organism's phenotype.
