In Drosophila the recessive alleles for brown and scarlet eyes (resulting from two independent genes) interact so that the double homozygous recessive is white. A pure-breeding brown and pure breeding scarlet are crossed. What proportion of the F2 will be white?

0 votes

asked 12 years ago in Biology by anonymous

Need the solution FAST? Than SHARE this question: Tweet

0 Answers

Related questions

0 votes

0 answers

In swine, when a pure-breeding red is crossed with a pure-breeding white the F1 are all red. However, the F2 shows 9 red, 1 white and 6 of a new color, sandy. The Sandy phenotype is most likely determined by

asked 12 years ago in Biology by anonymous

0 votes

0 answers

In maize, two plants that are both heterozygous for the recessive alleles a and b are crossed. What frequency of double-mutant progeny will appear if a and b are 7.2 map units apart and both parents carry a and b in trans?

asked 12 years ago in Biology by anonymous

0 votes

0 answers

The Drosophila genes for white eyes (w), tan body (t) and vestigial wings (vg) lie at map positions 2, 22, and 52 respectively. Out of 500 progeny, 21 exhibited double crossovers. What is the degree of interference?

asked 12 years ago in Biology by anonymous

0 votes

0 answers

You mate a plant with red flowers (RR) to a plant with white flowers (WW) and all resulting offspring produce flowers that are red with white spots. This is an example of what type of inheritance?

asked 7 years ago in Biology by anonymous

0 votes

0 answers

In Drosophila, the two genes w and sn are X-linked and 25 map units apart. A female fly of genotype w+ sn+/w sn is crossed to a male from a wild-type line. What percentage of male progeny will be w+ sn?

asked 12 years ago in Biology by anonymous