help please 40. Cross a homozygous dominate parent (DDWW) with a homozygous rece
ID: 48650 • Letter: H
Question
help please 40. Cross a homozygous dominate parent (DDWW) with a homozygous recessive parent (ddww) - Dominate allele for tall plants D Recessive allele for dwarf plants -d Dominate allele for purple flowers Recessive allele for white flowers = w dn Waaw. . a. What is the probability of producing tall plants with purple flowers? Possible genotype(s)? b. What is the probability of producing dwarf plants with white flowers? Possible genotypeis)? c. What is the probability of producing tall plants with white flowers? Possble genotypeís)? d. What is the probability of producing dwarf plants with purple flowers? Possible genotype(s)?Explanation / Answer
The cross is between DDWW and ddww so at first generation their will be a DW dw
Now when DdWw will cross with DdWw then its a dihybrid cross
ratio of dihybrid cross is 9:3:3:1 means purple tall,purple dwarf,white tall and white dwarf respectively
this answers all four parts
sum all of them give 16 results so for first case its 9/16 similarly for rest of them 3/16 then 3/16 and finally 1/16 i.e ddww.
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