In the plant Arabidopsis, the loci for pod length (L, long; l, short) and fruit hairs (H, hairy; h, smooth) are linked 16 map units apart on the same chromosome. The following crosses were made:

(i) L H/L H X l h/l h = F1

(ii) L h/L h X l H/l H = F1

If the F1’s from (i) and (ii) are crossed, what proportion of the progeny are expected to l h/l h?

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#Question id: 28488

#Unit 5. Developmental Biology

Limb bud is regionalized into which of the following functional domains?

a) progress zone

b) Marginal zone

c) zone of polarizing activity

d) apical ectodermal ridge

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#Question id: 28489

#Unit 5. Developmental Biology

beneath the ectoderm, a highly proliferative mesenchyme that fuels limb bud growth is called___

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#Question id: 28490

#Unit 5. Developmental Biology

Progress zone is also called as___

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#Question id: 28491

#Unit 5. Developmental Biology

A major active factor in the Progressive zone is___

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#Question id: 28492

#Unit 5. Developmental Biology

the cells found within the most posterior region of the progress zone is called__

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#Question id: 28493

#Unit 5. Developmental Biology

Zone of polarizing activity (ZPA) involves in which patterns of cell fates?