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Home Q & A Board Biology-Related Homework Help General Biology
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bettyhabt bettyhabt
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10 years ago
A balancer chromosome includes a recessive lethal allele, a marker dominant allele, and ________. Please help, i only have one attempt left.
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#1
Staff Member
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10 years ago
A balancer chromosome contains a dominant "marker", a recessive lethal gene that "balances" the recessive lethal allele of the gene interested on the other chromosome, and multiple inversions that inhibits recombination. The presence of a balancer chromosome ensures that the frequency of the recessive lethal allel is the same in each generation by killing the WT animals (because WT animals are homozygous for the balancer, which is also recessive lethal).
Mastering in Nutritional Biology
Tralalalala Slight Smile
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#2
10 years ago
inverted chromosomal segments
Source  Mastering Genetics
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