MCQ
he genotype of offspring formed from Tt x tt will be ________?
- ATT and tt
- BTt and tt
- COnly tt
- DOnly TT
Explanation:
The heterozygous parent can produce two types of gametes one having T allele and other having t allele.
However, second parent being homozygous can produce only one type of gamete having t allele.
Random mixing of these gametes will produce following progeny:
Tt one half the total number of progeny.
tt one half the total number of progeny.
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Statement $I$: Gause's competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.
Statement $II$: According to Gause's principle, during competition, the inferior will be eliminated. This may be true if resources are limiting.
In the light of the above statements, choose the correct answer from the options given below :