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Q: O Autosomal dominant O Sex linked dominant O Mitochondrial Autosomal recessive
A:
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A: Genotype is the genetic makeup of an organism.
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Q: The genotype AABBCcDD will have the following gametes
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Q: Blue eyes Brown eyes Heterozygous Homozygous BB Bb bb O O O
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Q: What is the probability of 1) Having an affected daughter? 2) having an affected son?
A: As previously mentioned the mode of inheritance is X - Linked dominant. X-linked dominant…
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- In the plant Arabidopsis, the loci for pod length (L, long;l, short) and fruit hairs (H, hairy; h, smooth) are linked16 m.u. apart on the same chromosome. The followingcrosses were made:(i) L H/L H × l h/l h → F1(ii) L h/L h × l H/l H → F1If the F1’s from cross i and cross ii are crossed,a. what proportion of the progeny are expected to bel h/l h?b. what proportion of the progeny are expected to beL h/l h?S (smooth) is dominant to s (hairy) L (long pod) is dominant to I (short pod) (Ll is medium length) 7. Given this cross: Yy RR Bb SS LI (male) cross with yy RR Bb Ss Ll (female) a. How many different gametes can be formed by the female plant? b. How many different genotypes are possible in the F1 offspring? c. How many different phenotypes are possible in the F1 offspring? d. What percent of the F1 individuals will be: i. green, bitter, and smooth. ii. hairy, medium, and sweet iii. round, bitter, and long. 8. Two babies in a maternity ward have lost their identity bands, and there is some confusion about their footprint records. Baby #1 is type A blood; #2 is type B blood. If you are one of the mothers and your blood type is 0, which one of the following statements applies. Explain your answer. Neither baby could be yours. The type A baby is yours. The type B baby is yours. Either baby could be yours. 9. In cocker spaniels, the following genotypes and phenotypes are found: AABB =…34 a,b Note that the starting heterozygous plant does not have its parents genotypes listed. However, we can determine that the starting heterozygous plant has S,U,tu alleles on one chromosome and s,u,Tu alleles on the other because they are most common combinations in the offspring.
- 7.7 Genes a and b are 20 cM apart. An a* b*la* b* individual was mated with an a bla b individual. (a) Diagram the cross and show the gametes produced by each parent and the genotype of the F₁. (b) What gametes can the F, produce, and in what proportions? (c) If the F, was crossed to a bla b individuals, what off- spring would be expected, and in what proportions? (d) Is this an example of the coupling or repulsion link- age phase? (e) If the F, were intercrossed, what offspring would be expected, and in what proportions?In com, male sterility is controlled by maternal cytoplasmic elements. However, the presence of a nuclear fertility restorer gene (F_) restores fertility to male sterile lines. a. What are the crosses male sterile female x FF male? Give the genotypes and phenotypes of the offspring in each cross. Explain.In rice, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male part of rice plants (i.e. the stamen) unable to produce fertile pollen; the female parts, however, remain receptive to pollination by pollen from male fertile rice plants. However, the presence of a nuclear fertility restorer gene F restores fertility to male-sterile lines. Give the result(s) of the cross and explain the phenotype of the offspring.
- n corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male part of the corn plants (i.e the tassel) unable to produce fertile pollen; the female parts, however, remain receptive to pollination by pollen from male fertile corn plants. However, the presence of a nuclear fertility restorer gene F restores fertility to male sterile lines sing the cardboard chips, simulate the crosses indicated below. Give the genotypes and phenotypes of the offsprings in each cross, and properly label the nucleus and the cytoplasm of each individual in the cross Legend male sterile cytoplasm Male fertile cytoplasm FF nucleus Ff nucleus ff nucleus A. Male sterile female x FF male Explain the phenotype of the offspring B. Male sterile female x Ff male Explain the phenotype of the offspringn a tetraploid B /B /b /b, how many quadrivalent possible pairings are there? Draw them (see Figure 17-5)+ ec +/Y + + w/Y y ec +/Y + ec +/y ec w ++ w/y ec w у ес +у ес и Determine the order in which the three loci y, ec, and w Occur on the chromosome and prepare a linkage map. 7.22 A cross involving X-linked genes was made between yellow, bar, vermilion female fies and wild males, and the F1 females were crossed with y B v males. The following phenotypes were obtained when 1000 progeny were exam- ined: Dra ord ma the 7.2 546 244 160 50 + + + + Bv y Bv y+ + y+v y B+ and an and and and +B + re + + v ge Determine the order in which the three loci occur on the chromosome and prepare a linkage map. 7.23 Female Drosophila heterozygous for ebony (e"le), scarlet (st*/st), and spineless (ss*/ss) were testcrossed, and the following progeny were obtained: PROGENCY PHENOTYPES NUMBER ir Wild type Ebony Ebony, scarlet Ebony, spineless Ebony, scarlet, spineless Scarlet 67 8. 68 347 78 368 Scarlet, spineless Spineless (a) Are these genes linked? Justify your answer. (b) Write the genes given on a…
- In tomato, the following genes are located on chromosome 2: + tall plant d dwarf plant + uniformly green leaves m mottled green leaves + smooth fruit p pubescent (hairy) fruit Results of the cross +++ / dmp and dmp / dmp were: + + + = 470 + m p = 1 + + p = 14 d + p = 25 d + + = 0 d m p = 441 + m + = 19 d m + = 30 Identify the single and double crossovers among the progeny.A cross was made between a Red and Long flowered (RRLL) plant and a blue and dwarfflowered (rrll) plant. The resulting F1 plants were testcrossed to blue and dwarf plants.160 red and long40 red and dwarf38 blue and long150 blue and dwarfAfter showing your Punnett square for the testcross, use the Chi Square test to determine if thegenes are assorting independently. If they are linked, calculate the distance between the twogenes. Show your work.n corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male part of the corn plants (i.e the tassel) unable to produce fertile pollen; the female parts, however, remain receptive to pollination by pollen from male fertile corn plants. However, the presence of a nuclear fertility restorer gene F restores fertility to male sterile lines Using the cardboard chips, simulate the crosses indicated below. Give the genotypes and phenotypes of the offsprings in each cross, and properly label the nucleus and the cytoplasm each individual in the cross Legend male sterile cytoplasm Male fertile cytoplasm FF nucleus Ff nucleus ff nucleus A. Male sterile female x FF male Explain the phenotype of the offspring B. Male sterile female x Ff male Explain the phenotype of the offspring