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A pair of genes that control a trait is referred to as
an allele
recessive
dominant
a hybrid
Thyroxine and adrenalin are examples of hormones which control
blood grouping
tongue rolling
behavioural patterns
colour variation
Which of the following is a true feature of plantation ll?
it has the highest number of trees of about 2m high.
it has highest number of trees
it has the highest number of tall trees
the height of all its trees range between 2m and 6m
In which plantation are all the trees between the height of 2-4m?
III
II
I
IV
A dilute solution of phenylthiocarbamide tastes bitter to some people and is tasteless to others. This is an example of
taste bud variation
discontinuous variation
morphological variation
continuous variation
