4. In the jubjub bird, the gene G controls feather color. The dominant allele G

Question

4. In the jubjub bird, the gene G controls feather color. The dominant allele G gives rise to black pigmentation, and the recessive allele g gives rise to a pale gray color when homozygous. The gene D regulates size. The dominant allele D gives rise to giant jubjubs with wingspans over 5 meters, and dwarfism, with wingspans averaging 3 meters, is recessive. The ability to talk is also recessive. The dominant allele of the T locus results in mute birds. A single female jubjub bird can lay a clutch of over 900 eggs. A fully heterozvgous female was mated with a dwarf, gray male who could talk. The offspring were counted. Please indicate whether any or all of these genes assort independently of one another. Map any linked loci number of coloradult size speechoffspring Black Black Black Black gray gray gray gray Giant Giant war Mute talking Mute dwarf talking Mute talking Mute dwarf talking 17 0 361 379 0 Giant Giant war 6

Explanation / Answer

Answer:

Total number of offsprings are - 782

recombinants are - 771

observed linkage mapping units are - 98.5%

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