Name: 18. A. In a plant, one gene determines flower color and an independently a

ID: 197816 • Letter: N

Question

Name: 18. A. In a plant, one gene determines flower color and an independently assorting gene determines the leaf shape. In this plant, the flowers are either red (R) or white () in color a the leaves are either long (L) or short (). Determine the probability that a plant of the genotype R/r: L/7 will be produced from parental plants of the following genotypes: R/r; L/I and R/rl/ B. In another cross, involving parent plants of unknown genotype and phenotype, the following offspring were obtained. Determine the genotypes and phenotypes of the parents 3/8 red, long 3/8 red, short 1/8 white, long 1/8 white, short Offspring

Explanation / Answer

18.

Therefore probability of getting R/r:L/l = 4/16 = 1/4

B. The parental genotypes are:

R/r;l/l and R/r;L/l

The respective phenotypes are:

Red flowers and short plant

Red flowersand long plant

RL rl rL Rl Rl RRLl Rrll RrLl RRll rl RrLl rrll rrLl Rrll rl RrLl rrll rrLl Rrll Rl RRLl Rrll RrLl RRll

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Name: 17 What significant change(s) would you expect to see in the IR spectra of

Name: 18. A. In a plant, one gene determines flower color and an independently a

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Name: 18. A. In a plant, one gene determines flower color and an independently a

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