Compared to a bull,a bullock is docile because of:

  • A
    higher levels of cortisone
  • B
    lower levels of blood testosterone
  • C
    lower levels of adrenaline/noradrenaline in its blood
  • D
    higher levels of thyroxine

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Similar Questions

Select the appropriate option for cross-breeding.

Statement $X$: In animals,the proportion of homozygosity can be increased in heterozygotes.
Reason $Y$: Inbreeding is performed in animals.

When breeding is between animals of the same breed for $4-6$ generations,it is called:

In which type of breeding are the desired genes accumulated?

$A$ cow which gives more milk per lactation is evolved into a pure line by mating with a superior bull of the same breed for $4-6$ generations. Which type of breeding is being referred to in this case?

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