T3 and T4 thyroxin leads to negative feedback loop by inhibiting the TRH and TSH, but these negative feedback regulation is prevented in case of___ 

I- Hypothyroidism

II- Thyrotoxicosis 

III-TSH and I deficiency

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#Question id: 3607

#Unit 8. Inheritance Biology

Cystic fibrosis is caused by a recessive lethal gene and can be detected by an excess concentration of chloride in sweat. If a sweat test reveals a man to be heterozygous and his wife to be homozygous normal, what are the chances that their children will have the disease?

TLS Online TPP Program

#Question id: 3608

#Unit 8. Inheritance Biology

Mendel crossed plants with the seed characters round and yellow with plants having the contrasting seed characters wrinkled and green. Round is dominant

to wrinkled, and yellow is dominant to green. The F1 progeny were all round and yellow. What will be genotype ratio in F2 generation?

TLS Online TPP Program

#Question id: 10263

#Unit 8. Inheritance Biology

During cell division, sometimes there will be failure of separation of sister chromatids. This event is called

TLS Online TPP Program

#Question id: 10264

#Unit 8. Inheritance Biology

Chiasmata formation occurs during

TLS Online TPP Program

#Question id: 10265

#Unit 8. Inheritance Biology

The alternate form of a gene is

TLS Online TPP Program

#Question id: 10266

#Unit 8. Inheritance Biology

Self-pollination is the transfer of pollen from the anther of a flower to the stigma: