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: 11195

#I Life Science/ Life Sciences Group – I-V

Action potentials move along axons ________.

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#Question id: 5544

#SCPH06 I Botany

Which embryonic membrane forms the commonly of the placenta?

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#Question id: 6962

#I Life Science/ Life Sciences Group – I-V

In which way is the organizer region of the sea urchin similar to that in frogs?

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#Question id: 1398

#SCPH05 I Biotechnology

Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

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#Question id: 10188

#SCPH06 I Botany

Kinetic Isotope Effects (KIEs) are used to determine

A. reaction mechanisms

B. rate limiting steps

C. transition states

Which of the following is correct combination