which trait(s) is (are) shared by many modern gymnosperms and angiosperms? 

1. Pollen transported by wind 

2. Lignified xylem 

3. Microscopic gametophytes 

4. Sterile Sporophylls, modified to attract pollinators 

5. Endosperm 

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#Question id: 6948

#Unit 5. Developmental Biology

Which of the following genes is expressed at the posterior margin of each parasegment

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#Question id: 6949

#Unit 5. Developmental Biology

During gastrulation in Xenopus, the future mesoderm and endoderm move inside the embryo through the "blastopore"; in contrast, in chickens, gastrulation involves cells moving inward through the:

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#Question id: 6950

#Unit 5. Developmental Biology

In mammalian development, the embryo will form from which population of cells?

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#Question id: 6951

#Unit 5. Developmental Biology

In chick development, the cell movement during gastrulation is called:

TLS Online TPP Program

#Question id: 6952

#Unit 5. Developmental Biology

Which technique is commonly used for gene knock-out in mice?

TLS Online TPP Program

#Question id: 6953

#Unit 5. Developmental Biology

Maternal factors are: