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umka21 [38]
3 years ago
10

HELP PLS. All dinosaurs have similar appearances and cannot be classified true false.

Biology
2 answers:
FromTheMoon [43]3 years ago
8 0

False, because not all dinosaurs are the same

rodikova [14]3 years ago
6 0
False, all dionasors are different and can be classified by either being Archosaur or Pterosaurs etc
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The sickle cell allele is recessive. Hence, in order for any child of the couple to have sickle cell anemia, such a child will have to inherit an affected allele each from the two parents. This means that both the father and the mother must have affected alleles in their genotypes. In other words, two sickle cell alleles are required for the abnormality to manifest.

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Assuming that the genotype of the father is AS

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      AS   SS   AS   SS

<em>50% of the children would have sickle cell while the remaining 50% would be normal.</em>

<u>Therefore, in order to produce children with sickle cell, the father has to be AS, otherwise, he has to be AA.</u>

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