Biology, 20.12.2019 23:31 apowers6361
Atrue-breeding caffeine-free plant carrying the allele z2 for marker z, was crossed with a true-breeding caffeine-producing plant of commercial value (with the z1 allele for marker z). 100% of the f1 individuals were able to produce caffeine. f1 was selfed, producing f2 plants with the following proportions of phenotype/genotype:
49.02% caffeine-producing, genotype z1z2
24.99% caffeine-producing, genotype z1z1
24.01% caffeine-free, genotype z2z2
0.99% caffeine-producing, genotype z2z2
0.98% caffeine-free, genotype z1z2
0.01% caffeine-free, genotype z1z1
a) what is the genotype for marker z in the parental caffeine-free plant?
b) what is the genotype for marker z in the parental caffeine-producing plant?
c) what is the genotype for marker z in the f1 plants?
d) what is the genetic distance between the cs gene and marker z?
tip: do the punett ! use cs+ for caffeine-producing, and cs- for caffeine-free alleles.
Answers: 3
Biology, 22.06.2019 12:10
Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species
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Biology, 22.06.2019 14:00
If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height
Answers: 2
Biology, 23.06.2019 00:40
How do herbicide-resistant plants farmers? a.farmers can spray for weeds without killing the crops b.the plants kill the weeds c.the soil is enriched for future plantings
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Atrue-breeding caffeine-free plant carrying the allele z2 for marker z, was crossed with a true-bree...
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