BIOL 205 Lecture Notes - Lecture 9: Dna Replication, Antennapedia, Alanine

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So, both parents carry mutations in the same gene. If you ha(cid:448)e a good (cid:272)opy of (cid:449) a(cid:374)d (cid:373) the(cid:374) it"ll (cid:271)e a (cid:271)lue flo(cid:449)e(cid:396) (cid:271)e(cid:272)ause you (cid:272)a(cid:374) (cid:373)ake both enzymes. If you cannot make enzyme 2 because you have m/m, but you can make enzyme 1 then you will only go through the first process that convert the flower into pink. If you look at how the proteins are on the gel: heterozygotes can have the protein of both alleles, wildtype hemoglobin migrates down the electrophoresis gel further than the sickle cell, recessive lethal. In haploids, temperature sensitive lethal alleles are useful. If you take arg-1,2 or 3 and give them arginine, they can grow. Each mutant is checked to confirm single-gene inheritance. So, are they affecting the same gene or two different genes involved in blue pigment building pathway: determine this by a genetic complementation test.

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