A pack of cards contains 4 aces, 4 queens and 4 jacks. Two cards are drawn at random. The probability that at least one of them is an ace is

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#Question id: 7053

#Unit 5. Developmental Biology

The ability of an embryo or larva to react to an environmental input with a change in form, state, movement, or rate of activity (i.e., phenotypic change)

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#Question id: 7054

#Unit 5. Developmental Biology

A type of cadherin expressed in epithelial tissues as well as all early mammalian embryonic cells

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#Question id: 7055

#Unit 5. Developmental Biology

In drosophila, in the third instar leg disc, the center of the disc secretes the highest concentration of two morphogens:

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#Question id: 7056

#Unit 5. Developmental Biology

In mammalian development, Only trophoblast cells synthesize the transcription factor Cdx2, which:

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#Question id: 7057

#Unit 5. Developmental Biology

Movement of mesodermal precursor regulated by the factor which is expressed in the primitive streak and repels migrating cells away from the streak. The factor is:

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#Question id: 7058

#Unit 5. Developmental Biology

Molting in arthropods, in which the external cuticle is shed to allow for growth, termed as