A cross between two pea plants with axial flowers and inflated pods gives the following offspring: 20 with axial flowers and inflated pods, 7 with axial flowers and constricted pods, and 5 with terminal flowers and inflated pods. What is the most probable genotype for the two parents? Explain the results and show the Punnett square. How can the explanation be checked?
Please tell me how to do this and work it out so I know how!
THANKS!!!!!
2007-01-07 06:52:31 · 1 answers · asked by 000123 2 in Science & Mathematics ➔ Biology
27 axial v 5 terminal
25 inflated v. 7 constricted
both are best expained by a 3:1 hypothesis (parents heterozygous for both traits
AaIi X AaIi
On ideal world, this would yield (out of 32 plants)
18 axial with inflated
6 axial with constricted
6 terminal with inflated
2 terminal with constricted
your results are, therefore, pretty close to the 9:3:3:1 ratio predicted by Mendelian Genetics.
2007-01-07 07:05:06 · answer #1 · answered by ivorytowerboy 5 · 0⤊ 0⤋