Following genes regulate flowering, column I represents genes, column II represents transcription factor family and column III represents functions.

Column I	Column II	Column III
A. FLOWERING D (FD)	i. bZIP	a. Activates flowering downstream of florigen
B. SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1)	ii. MADS	b. Receptor for florigen
C. FLOWERING LOCUS C		c. Class E homeotic genes
D. SEPALLATA (SEP)		d. Floral repressor

 Which of the following is correct?

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#Question id: 19118

#Unit 8. Inheritance Biology

You are conducting genetic linkage studies of an autosomal recessive disease whose chromosomal location has not been firmly established. You are focused on two SSR markers that may be linked to each other and to the disease. Here are two families in which some individuals are affected:

                               

Calculate LOD scores for linkage at θ= 0.02 between SSR42 and SSR43 in Family 1.

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#Question id: 2822

#Unit 2. Cellular Organization

Transposition by a bacterial insertion element

a. occurs at a frequency of approximately 1 in 10^3 cells per generation.

b. can inactivate an essential gene.    

c. is mediated through a RNA intermediate.

d. requires the enzyme transposase

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#Question id: 5450

#Unit 8. Inheritance Biology

Which of these definitions of heritability is most correct?

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#Question id: 2002

#Unit 4. Cell Communication and Cell Signaling

What accounts for antibody switching (i.e., the switch of one B cell from producing one class of antibody to another antibody class that is responsive to the same antigen)?

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#Question id: 4026

#Unit 3. Fundamental Processes

The human genome encodes transcription factors that contain an acidic activation domain that is phosphorylated in response to increased levels of the second messenger cAMP. Which one of the following contains one of these activation domains?