Please, someone help in question 4, part b). Thanks! 4. Complete a dihybrid cross for the...
Please, someone help in question 4, part b). Thanks!
4. Complete a dihybrid cross for the black lab example in your textbook.
Parents: BbDd x BbDd
|
BBDD |
BBDd |
BbDD |
BbDd |
|
BBDd |
BBdd |
BdDd |
Bbdd |
|
BbDD |
BbDd |
bbDD |
bbDd |
|
BbDd |
Bbdd |
bbDd |
bbdd |
a) What is the phenotypic ratio for this
cross?
9:3:3:1
b) What is the genotypic ratio for this
cross?
Homework Answers
According to Mendel Law of Independent Assortment:
The genotypic ratio of this cross is: 1:2:1:2:4:2:1:2:1 and their is a nine possible genotypes.
Add Answer to:
Please, someone help in question 4, part b).
Thanks!
4. Complete a dihybrid cross for the...
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Question 12 only. Punnett's square analysis for the parental cross r Rr Rr 9) If we...
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Narrative essay 1. In corn, purple kernels are dominant to yellow kernels, and starchy kernels are...
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If the offspring of a cross between two autosomal traits show a phenotypic ratio of 1 dom/dom: 0 dom/rec: 1 rec/dom: 0 rec/rec, what is the genotype of the parents? Selected Answer: AaBb times AaBb If a male who is color-bind has children with a female who is a car nor for color-blindness, what is the possible phenotypic ratio of their offspring? Use numbers in each blank out of 4 possible offspring: [a] girls with color...
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In a cross involving independently assorting loci, the cross BBYY x bbyy (assume "B" and "Y"...
In a cross involving independently assorting loci, the cross BBYY x bbyy (assume "B" and "Y" are dominant to "b" and "y," respectively) will yield all dihybrid offspring. When those offpspring are crossed, the result is usually a 9:3:3:1 phenotypic ratio. But what if the locus "B" and "Y" did not sort independently (i.e., they were linked, at least partially)? It would mean "BY" and "by" are now more likely. How would this specifically affect the expected 9:3:3:1 ratio? To...
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Part II: More Practice with Punnett Squares #1 Data Table II: Note: When you record a ratio, whether it is genotypic or phenotypic ratio, always record the most dominant characteristic first, followed by the recessive. Scenario Genotype Genotype Ratio of Offspring Ratio of Offspring Phenotype of Parent 1 of Parent Genotype 2 Gg gg 2Gg: 2gg or 1:1 2 gray: 2 black or 1:1 #2 #3 #4 #5 #6...
Question 12 only.
Punnett's square analysis for the parental cross r Rr Rr 9) If we used the above offspring (F1) in a new cross, what would be the genotypes and phenotypes of the offspring of the Fz generation? 10) What is the genotypic ratio of the F2 generation? 11) What is the phenotypic ratio of the F2 generation? 12) What would be the genotypic and phenotypic ratios of offspring from a cross between a homozygous recessive parent (r r)...
. . . Activity E. Predicting the outcome of a dihybrid cross The resulting phenotypic ratios in the F2 generation of a dihybrid cross (2 traits) can be quite different than those observed from a monohybrid cross. But the process is essentially the same. First you list all possible gametes each parent and subsequent parents can produce. Second, you then assign the gamete possibilities to the Punnett square and fill it in. Finally you count the progeny and determine the...
Narrative essay
1. In corn, purple kernels are dominant to yellow kernels, and starchy kernels are dominant to sweet kernels. If the genotypic verent crosed with a yellow, sweet parent? What would be the phenotypic ratio of the Fa complete dominance is the pattern of inheritance, what would be and phenotypic ratios for the offspring of a true breeding purple, starchy generation? 2. In guinea pigs, a cross between black furred and brown furred parents gives offspring with 100% black...
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3 and 4 thanks
If the offspring of a cross between two autosomal traits show a phenotypic ratio of 1 dom/dom: 0 dom/rec: 1 rec/dom: 0 rec/rec, what is the genotype of the parents? Selected Answer: AaBb times AaBb If a male who is color-bind has children with a female who is a car nor for color-blindness, what is the possible phenotypic ratio of their offspring? Use numbers in each blank out of 4 possible offspring: [a] girls with color...
Help Center 07 Question 38 What phenotypic ratio of offspring would result from a cross between a white-eyed male fruit fly, and a female that is heterozygous for red eye color? (See Chapter 8.3 Figure your e Text) 2 white-eyed females 2 red-eyed males V none of these 2 red-eyed female 1 white-eyed female: 1 red-eyed male: 2 white-eyed male 1 red-eyed female 1 white-eyed female 1 red-eyed male: 1 white-eyed male 2 red-eyed females: 2 white-eyed males Question 39...
how do i do this table?
how is question 13 done?
Part II: More Practice with Punnett Squares #1 Data Table II: Note: When you record a ratio, whether it is genotypic or phenotypic ratio, always record the most dominant characteristic first, followed by the recessive. Scenario Genotype Genotype Ratio of Offspring Ratio of Offspring Phenotype of Parent 1 of Parent Genotype 2 Gg gg 2Gg: 2gg or 1:1 2 gray: 2 black or 1:1 #2 #3 #4 #5 #6...
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