Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

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#Question id: 13134

#Unit 10. Ecological Principles

Which  of  the  graphs  below  represents the  relationship between  population  size  (N)  and  population  growth  rate (dN/dt) for a population showing exponential growth?

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#Question id: 12175

#Unit 8. Inheritance Biology

Colour blind are X-linked disorder, a colour blind male have daughter cross with colour blind male, then what will be the probability of colour blindness?

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#Question id: 21002

#Unit 12. Applied Biology

Oil spills cause severe damage to the ecosystems and pose threats of 

(1) Fire

(2) Ground water pollution due to percolation

(3) Air pollution due to evaporation

Which of the above statements are true?

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#Question id: 12026

#Unit 7. System Physiology – Animal

Pepsinogen is converted to its active form in the stomach by ________.

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#Question id: 10918

#Unit 6. System Physiology – Plant

The import into sinks such as developing roots, tubers, and reproductive structures, In many ways the events in sink tissues are simply the reverse of the events in sources. The following steps are involved in the import of sugars into sink cells such as;