Which of the following is a FORWARD genetics approach?

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You are trying to work out whether the eye region of a Xenopus embryo is determined or not at a particular stage of development. 

You transplant the eye region into the hindlimb region of a second embryo. If the eye region was determined, how would this transplanted tissue develop?

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If you were to break your leg, which of the following cell types would be most important in healing the break?

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Cranial neural crest cells form some of the skull bones, without a cartilage intermediate. What is this process called?

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Which of the following tissue types is NOT considered connective tissue?

What techniques can be used to track the fate of cells during embryonic development?  Select all that apply.  

The cleavage stage of development:

If you start from knowing the phenotype of a particular condition, and want to identify the gene responsible, what type of approach is this?  

There are several techniques that can be used to identify developmental disorders in developing foetuses.  Match the following technique to the process or the type of information it can generate.  

Which of the following experiments would provide experimental evidence that the Apical Ectodermal Ridge (AER) of developing chick embryos is both required and sufficient to direct limb outgrowth? Choose all options that apply