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Two heterozygous flies are crossed. Show the cross, list the genotype

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Answer:

A heterozygous trait can be described as a trait in which both the alleles of a gene are different. A homozygous trait can be described as a trait in which both the alleles of a gene are similar.

Consider two flies which have heterozygous alleles for a trait (Ww). The cross between these species is shown below:

W w

W WW Ww

w Ww ww

The results show that 25% of the offsprings will be homozygous dominant (WW) for the trait. 50% of the offsprings will be heterozygous dominant for the trait (Ww). 25% of the offsprings will be recessive.

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