Answer and Explanation:
When there is limitation to resurces, there are behavioural activities that organisms perform like clustering, coiling, burrowing, migration, hibernation and aestivation.
Migration is seen in many homoitherms where there is movement over long distances to avoid unfavourable climatic factors and food shortage. During cold weather, large mammals survive by hibernating. They go into deep sleep and metabolic rate falls to the minimum required for maintaining the vital activities of the cells.
Answer:
a) The equation describes the relationship between p and q is p + q = 1 for allelic frequencies
b) The frequencies of alleles A1 in decimals is 0.7 and in percents is 70%.
The frequencies of alleles A2 in decimals is 0.3 and in percents is 30%.
Explanation:
According to Hardy-Weinberg, the allelic frequencies in a locus are represented as p and q, referring to the allelic dominant or recessive forms. The genotypic frequencies after one generation are p² (Homozygous dominant), 2pq (Heterozygous), q² (Homozygous recessive). Populations in H-W equilibrium will get the same allelic frequencies generation after generation. The sum of these allelic frequencies equals 1, this is p + q = 1.
In the same way, the sum of genotypic frequencies equals 1, this is
p2 + 2pq + q2 = 1
Being
- p the dominant allelic frequency,
- q the recessive allelic frequency,
- p²the homozygous dominant genotypic frequency
- q² the homozygous recessive genotypic frequency
- 2pq the heterozygous genotypic frequency
In the exposed example,
- A1 codes for purple leaves, has a frequency of 0.7 and is dominant.
- A2 codes for white leaves, has a frequency of 0.3 and is recessive.
According to this equation: p + q = 1.
0.7 + 0.3 = 1
A1A1= p²= 0.7² = 0.49
A2A2= q² = 0.3² = 0.09
A1A2 = 2pq = 2 x 0.7 x 0.3 = 0.42
According to this equation: p² + 2pq + q² = 1
0.49 + 0.42 + 0.09 = 1
- The frequencies of alleles A1 in decimals is 0.7 and in percents is 70%.
- The frequencies of alleles A2 in decimals is 0.3 and in percents is 30%.
A particle having 9 protons, 9 neutrons, and 10 electrons, because ions are atoms that have lost or gained one electron
Answer:
DNA is a genetic molecule
Explanation:
Though both the nucleic acids can act as genetic material, DNA is much more preferred. DNA is stable both chemically and structurally which make it well-built genetic material.
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extinct organisms; that is, they belong to species that are no longer living anywhere on Earth. (3) The kinds of fossils found in rocks of different ages differ because life on Earth has changed through time.
