D. Organisms only need water
parental genotype of fruit fly Long wing: short wing would be 1 : 1
In monohybrid cross the number of short wing will be equal to number of long wing
- Alternate forms of the same gene are called allele
- the two alleles for a particular gene are identical the gene pair is homozygous
- If an individual is homozygous for a particular trait then each parent contributed the same allele for that trait.
- If an individual is heterozygous for a particular trait then each parent contributed a different allele for that trait.
- The probability of obtaining a dominant phenotype from self-fertilization of a heterozygous individual is 3/4.
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When Harry asks “What is different with this plant that does not grow very well compared with the other house plants?”
