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Stolb23 [73]
3 years ago
11

Small, isolated groups of Central American Indians are nearly 100% type O for the ABO blood system. This is best explained as be

ing the result of: a
genetic drift
b
artificial selection
c
fitness
d
natural selection

Biology
1 answer:
tiny-mole [99]3 years ago
5 0
For me I’ll say b artificial selection
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Option A

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Hope this helps.

3 0
3 years ago
Un compañero de tu salón presenta una condición especial llamada gigantismo, ya que su estatura es mucho mayor que la de los dem
MrRissso [65]

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7 0
3 years ago
Which type of cells are considered to be the building block of all multicellular organisms . A: prokaryotic
denis-greek [22]
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4 0
4 years ago
Read 2 more answers
The information in the table shows the possible genotypes resulting from the mating of two heterozygotes aadd. the allele a code
tensa zangetsu [6.8K]
Admitting that the "a" is a capital A for normal pigmentation and "d" is a capital D for dimpled chin, meaning that these are the dominant traits, the fraction expected to be albino with a non-dimpled chin is of 1/16.
When two heterozygous are crossed and two characteristics are being analysed, the offspring quantity that will possess the two recessive traits can be represented by 1/16. This is easily confirmed when a Punnett square is made. Considering that both parents were heterozygous, on both sides of the crossing in the Punnett square, you would have the following alleles' combination: AD, Ad, aD, and ad. The offspring that would be homozygous recessive (aadd) would correspond to only 1/16. 
3 0
3 years ago
1 - 2N
Assoli18 [71]
The answer would be both!
4 0
3 years ago
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