Homework Answers
Gametes = yCR, ycr, yCr, ycR
| yCR | ycr | yCr | ycR | |
| yCR | yyCCRR (Purple) | yyCcRr (purple) | yyCCRr (purple) | yyCcRR(purple) |
| ycr | yyCcRr(purple) | yyccrr(white) | yyCcrr(white) | yyccRr(white) |
| yCr | yyCCRr(purple) | yyCcrr(white ) | yyCCrr(white) | yyCcRr(purple) |
| ycR | yyCcRR(purple) | yyccRr(white) | yyCcRr(purple) | yyccRR(white) |
Expected phenotypic ratio is 9:7
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Several genes are involved in determining kernel color and the effects of their alleles are outlined...
Concerning the four corn genes below a) For the following corn genotypes, indicate the expected kernel...
Concerning the four corn genes below
a) For the following corn genotypes, indicate the expected
kernel colors.
1) Cc Rr pp yy
2) CC rr PP yy
3) Cc Rr Pp YY
4) CIc Rr Pp yy
5) CIC Rr pp Yy
b) From the following corn crosses, list all of the expected
genotypes, corresponding phenotypes, and the ratios (phenotypic and
genotypic) that you would expect among the progeny. List only the
genes that are segregating, not the genes that...
can someone verify this? In Drosophila, alternate alleles of an X chromosome gene, white, determine red...
can someone verify this?
In Drosophila, alternate alleles of an X chromosome gene, white, determine red eyes (w') and white eyes (w). Alternate alleles of a second X chromosome gene, yellow, determine brown body ) and yellow body (). In cross series A and B, the F1 females are heterozygous for both genes, but the arrangement of alleles in the parental generation is different in each case. Study the genotypes and phenotypes of the P, F1, and F2 flies in...
Question 12 only. Punnett's square analysis for the parental cross r Rr Rr 9) If we...
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)...
In sweet peas, two genes (genes A and B) control flower color. The dominant alleles of...
In sweet peas, two genes (genes A and B) control flower color. The dominant alleles of both genes produce enzymes that function in the biochemical pathway shown to convert colorless precursors to a purple pigment. The recessive alleles do not produce enzyme. Therefore, at least one dominant allele of both gene A and gene B are required for purple flowers. Answer the questions about this biochemical pathway. ΑΑ, Αα BB, Bb Enzyme A Enzyme B Colorless precursor 1 Colorless precursor...
1. In loppins (fictitious diploid invertebrates), ear shape is controlled by two genes with two alleles...
1. In loppins (fictitious diploid invertebrates), ear shape is controlled by two genes with two alleles each; upright ears (F) is dominant to floppy ears (f), and double-pointed ears (P) is dominant to single-pointed ears (p). Moreover, due to genetic interactions, floppy ears are always single-pointed. A loppin with floppy ears is crossed to a loppin with upright single-pointed ears, and the phenotypic ratios in the offspring are 2 floppy : 1 double-pointed upright : 1 single-pointed upright. What are...
II. MONOHYBRID PROBLEMS WITH INCOMPLETE DOMINANCE 8. Petunia flower color is governed by two alleles, but...
II. MONOHYBRID PROBLEMS WITH INCOMPLETE DOMINANCE 8. Petunia flower color is governed by two alleles, but neither allele is truly dominant over the other. Petunias with the genotype R R are red-flowered, those that are heterozygous (R W ) are pink, while those with the (WW ) genotype have white flowers. This is an example of incomplete dominance. a. If a white-flowered plant is crossed with a red-flowered plant, what is the genotypic ratio of the F1? __________________________________________________________ b. What...
2. A Pea plant that is Homozygous Dominant for purple flower color and Heterozygous for dark...
2. A Pea plant that is Homozygous Dominant for purple flower color and Heterozygous for dark green leaves is crossed with another pea plant that is Heterozygous for both purple flower color and dark green leaves Let R = Purple flower color and r = white flower color Let D = Dark Green leaves and d = light green leaves Data Collection/Selection Using the information above, write the parent genotypes and gametes. Not all blanks may be used. Parent Genotypes:...
4. In summer squash, fruit color and shape are controlled by two independently assorting genes as...
4. In summer squash, fruit color and shape are controlled by two independently assorting genes as follows: Trait Gene Alleles Phenotypes Fruit color W W w White fruit yellow fruit Fruit shape D D d Disk-shaped fruit sphere-shaped fruit A homozygous White Disk plant has been crossed with a homozygous Yellow Sphere plant (this is the P1 generation). List the expected genotype and phenotype of the F1 plants? P1 WWDD x wwdd F1 WwDd Genotype: WwDd Phenotype: White, Disk If...
Just answer Part B While working with a type of beetle that is normally smooth, large,...
Just answer Part B
While working with a type of beetle that is normally smooth, large, and white, you discover three mutations that lead to the recessive phenotypes bumpy, small, and grey, respectively. You cross true- breeding smooth white beetles to true-breeding bumpy grey beetles and get all smooth white F1 beetles. Then you cross the F1 beetles to true-breeding bumpy grey beetles and, after analyzing 800 F2s, calculate a map distance of 5 M between the smoothness and color...
how do I set this question BKB) A Alternative formats Page < 2 Two different genes...
how do I set this question
BKB) A Alternative formats Page < 2 Two different genes that sort independently from affect flower color and plant height Flower color phenotype is purple (PP/Pp) or white (pp) and plant height phenotype is (TT/Tt) or short (tt). If a PPtt male parent is crossed with a ppTT female parent pleas give the phenotypic and genotypic ratios for the F1 and F2 progeny. Show all wor (10 pts.) Parental: Male Phenotype Female Phenotype__ F1...
Concerning the four corn genes below
a) For the following corn genotypes, indicate the expected
kernel colors.
1) Cc Rr pp yy
2) CC rr PP yy
3) Cc Rr Pp YY
4) CIc Rr Pp yy
5) CIC Rr pp Yy
b) From the following corn crosses, list all of the expected
genotypes, corresponding phenotypes, and the ratios (phenotypic and
genotypic) that you would expect among the progeny. List only the
genes that are segregating, not the genes that...
can someone verify this?
In Drosophila, alternate alleles of an X chromosome gene, white, determine red eyes (w') and white eyes (w). Alternate alleles of a second X chromosome gene, yellow, determine brown body ) and yellow body (). In cross series A and B, the F1 females are heterozygous for both genes, but the arrangement of alleles in the parental generation is different in each case. Study the genotypes and phenotypes of the P, F1, and F2 flies in...
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)...
In sweet peas, two genes (genes A and B) control flower color. The dominant alleles of both genes produce enzymes that function in the biochemical pathway shown to convert colorless precursors to a purple pigment. The recessive alleles do not produce enzyme. Therefore, at least one dominant allele of both gene A and gene B are required for purple flowers. Answer the questions about this biochemical pathway. ΑΑ, Αα BB, Bb Enzyme A Enzyme B Colorless precursor 1 Colorless precursor...
Just answer Part B
While working with a type of beetle that is normally smooth, large, and white, you discover three mutations that lead to the recessive phenotypes bumpy, small, and grey, respectively. You cross true- breeding smooth white beetles to true-breeding bumpy grey beetles and get all smooth white F1 beetles. Then you cross the F1 beetles to true-breeding bumpy grey beetles and, after analyzing 800 F2s, calculate a map distance of 5 M between the smoothness and color...
how do I set this question
BKB) A Alternative formats Page < 2 Two different genes that sort independently from affect flower color and plant height Flower color phenotype is purple (PP/Pp) or white (pp) and plant height phenotype is (TT/Tt) or short (tt). If a PPtt male parent is crossed with a ppTT female parent pleas give the phenotypic and genotypic ratios for the F1 and F2 progeny. Show all wor (10 pts.) Parental: Male Phenotype Female Phenotype__ F1...
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