If Mutagenizing a Number of Drosophila Results in Several Observable

question 1

Multiple Choice

If mutagenizing a number of Drosophila results in several observable phenotypes but also in several lethal mutations,does this mean that recessive lethal mutations cannot be studied further?

• A)No;the lethal allele can be recovered from heterozygous siblings.
• B)No;the lethal alleles can be sequenced from the other embryos.
• C)Yes;lethal alleles can be studied only if they are recessive.
• D)Yes;lethal alleles can be studied only if they are conditional.
• E)Yes;unless the lethal allele can be supplemented with a missing gene product.

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