MCQ
In elephants, the tusks are:
- AIncisors
- BCanines
- CPremolars
- DMolars
Explanation:
Incisors grow into tusks, which can serve as weapons and as tools for moving objects and digging in elephant.
In the African elephants, tusks are present in both males and females, and are around the same length in both sexes, but those of males tend to be thicker.
In the Asian species, only the males have large tusks. Female Asians elephants have very small ones, or none at all.
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$I.$ A Dominant allele determines the phenotype when paired with a recessive allele
$II.$ A recessive allele is weaker than a dominant allele
$III.$ A recessive allele do not shows its effects when paired with a dominant allele
$IV.$ A dominant allele is always better for an organism