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Sympatric OR allopatric speciation
Sympatry
The development of new species within a population. Two Hebe sp living in the same location but with different chromosomal numbers could suggest the reproductive isolation of the two species by polyploidy or anueploidy.
Allopatry
Genetic isolation of populations due to factors such as mountain building, glaciation. Eg the initial mountain building separated some species and the new environmental conditions changed the selective pressures acting on the gene pools, resulting in different species after reproductive isolation, eg H.speciosa and H. cupressoides.
Microevolution is: the change in allele frequency in a population. Cannot occur if genetic equilibrium is reached. Results in the formation of a new species. Is influenced by mutat
Which of the following best explains the difference among dominant and recessive alleles? A. The recessive allele encodes a protein with normal activity whereas the dominant al
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Causes of Cancer We know earlier that a malignant tumor is a large aggregation of cancer cells, all of them descended from a single founder cell that was once a normal cell wi
Q. What is the morphological characteristic that evolutionarily approximates the beings of the phylum Annelida to arthropods? The metameric feature that is the body segmentatio
Ask question #Minimum cell theory 100 words accepted#
Surgical preparation of the bone - drill technique It is essential not to allow the bone to be heated above 47°C during preparation of the site as this will cause bone cell dea
I will send any further instructions to you. The ist part of the assessment (1-7) that evaluates the chart i have done but it needs to be looked at to see if content okay & gram
Complications : IABP can compromise blood flow to the leg at the time of insertion, pumping or after removal of balloon. It may also cause perforation, bleeding, thrombosis, embol
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