Allozyme phenotypes of alcohol dehydrogenase in the flowering plant phox drummondii are determined by three co-dominant alleles of a single gene. in one sample of 70 plants the following data were obtained:
genotype a1a1 a2a2 a3a3 a1a2 a1a3 a2a3
number 4 24 10 10 2 20
what is the frequency of the a2 allele in this sample?
0.628
0.238
0.557
0.432
0.337
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Ответ:
0.557
Explanation:
First calculate for the genetic frequencies
A1A1 = 4/70 = 0.057
A2A2 = 24/70 = 0.34
A3A3 = 10/70 = 0.14
A1A2 = 10/70 = 0.14
A1A3 = 2/70 = 0.029
A2A3 = 20/70 = 0.29
Frequency of A2 allele therefore = 0.34 + (0.5×0.14) + (0.5×0.29)
= 0.556
The difference in the answer is due to approximations.
Ответ:
see below:
Explanation:
From cornea,the light passes through the pupil.The iris or the colored part of your eyes controls the amount light passing through The optic nerve is then responsible for carrying the signals to the visual cortex of the brain.The visual cortex turns the signals into images(for example,our vision).
Plz mark me as the brainliest.