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: 19757

#SCPH05 I Biotechnology

In H - C ≡ C - CH = CH₂ molecule C³ - C² single bond carbons has which type of hybridization ?

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#Question id: 4155

#SCPH05 I Biotechnology

Of all the possible triplet codons, __ do not code for an amino acid.

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#Question id: 1544

#SCPH05 I Biotechnology

function equivalent of MASP-2

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#Question id: 18382

#SCPH01 Biochemistry

Which bacterial enzyme has been transferred to Arabidopsis thaliana which can absorb mercury, and it reduces to volatile Hg from the leaf surface. 

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#Question id: 4958

#SCPH06 I Botany

What is true of the fossil record of mammalian origins?