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?

TLS Online TPP Program

#Question id: 23211

#Unit 13. Methods in Biology

Which type of microscope can be used for viewing unstained, live specimen?

TLS Online TPP Program

#Question id: 3408

#Unit 11. Evolution and Behavior

New species originated via punctuated equilibrium having some characterstic feature

a. occur during cladogenesis from ancestral species

b. subpopulation of ancestral species transform in to new species

c. Morphological change is sudden and rapid

d. continuously change in their morphology

which above statement is correct

TLS Online TPP Program

#Question id: 3933

#Unit 3. Fundamental Processes

A gene contains two 100 bp introns and three 50 bp exons. About how long is the mature RNA transcribed from this gene?

TLS Online TPP Program

#Question id: 11698

#Unit 7. System Physiology – Animal

A patient has an elevated plasma thyroxine (T4) concentration, a low plasma thyroid-stimulating hormone (TSH) concentration, and a thyroid gland that is smaller than normal. Which of the following is the most likely explanation for these findings?

TLS Online TPP Program

#Question id: 10515

#Unit 6. System Physiology – Plant

Insect-derived elicitors is,