1. An individual whose genotype is AABBCC is crossed with an individual who is heterozygous for all three of these genes. List the gametes that the AABBCC parent could produce.
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- A heterozygous individual has a _______ for a trait being studied. a. pair of identical alleles b. pair of nonidentical alleles c. haploid condition, in genetic terms6. Using a Punnet square, please calculate the probability of having a Aabb offspring in a cross AaBb x aaBb 7. What is the probability of having a AAbbCcDd offspring in a cross AaBbCCdd x AabbCcDD? (Please show how you derive your answer) 8. In a cross between a blood type AB male and a heterozygous type B female, what are the possible genotype and phenotype for the offspring? What is the phenotypic ratio? :On D. Focus h. 72°F LL F4 PrtScr Insert Home F5 EZ F8 F9 F10 F11 F12 & 3. 6 7 8. 09. E R Y2.) A tall green pea plant (TtGg) is crossed with a Short yellow pea plant (ttgg). FOIL each parent’s genotypes: tall green pea plant (TtGg) short white pea plant (ttgg) X MICHELLE CRISTINO - DI. How many of the 16 offspring are: tall & green tall & white short & green short & white
- 1. In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males will have the disease or not (but they won't be ever carriers) XH XH = female, normal XH Xh = female, carrier Xh Xh = female, hemophilic XH Y = male, normal Xh Y = male, hemophilic a) Show the cross of a man who has hemophilia with a woman who is a carrier. b) What is the probability that their children have the disease1.Determine the possible kinds of gametes each parent could be produced by: Jane (mother): Tt XcXc IBi -Taster, Color-blind female, Blood type A John (father): tt XcY IAIB- Non-taster, Color-blind male, Blood type AB 2. What percentage of your children would you expect to be boys? Girls?1. How many different types of gametes can be produced by an individual with the genotype Yy Ww Pp ee Bb? 2. If an individual with the genotype Yy Ww Pp ee Bb is crossed with another individual with the same genotype, what proportion of offspring will be homozygous recessive at all genes? 3. If an individual with genotype Yy Ww Pp ee Bb is crossed with an individual with the same genotype, what proportion of offspring will have the dominant phenotype for the four heterozygous loci?
- 5) If a cross gives a 2:2 phenotypic ratio, what are the genotypes of the parents?1. The allele G for yellow stigma is completely dominant to green (g). Supposingtwo strains of autotetraploid plants are available and their genotypes are as follows:GGgg – in this plant the gene is close to the centromereGggg – in this plant the gene is far from the centromere If these two plants are crossed:a) provide the gametes that can be obtained from the two plants;b) provide the genotypic and phenotypic ratios of the offspring. 2. Consider the illustration below. Diagram the configuration you would observe at Anaphase I if crossing-over happens within the inversion. (IMAGE ATTACHED)9. Make a pedigree for each of the following situations. For each individual, write the individual's genotype (when possible) next to the individual's symbol (e.g. O xty, I Gg): a. Two parents do not have cystic fibrosis and they have a daughter with cystic fibrosis and a son who does not have cystic fibrosis. The daughter grows up and she mates with a male who does not have cystic fibrosis. Their only child is a boy and he has cystic fibrosis. b. A man with hemophilia mates with a female without hemophilia. They have one son and one daughter. The daughter has hemophilia and the son does not have hemophilia. The son grows up, and he marries and mates with a female. Their only child is a boy, and he has hemophilia.
- 1. In pea plants, yellow color (Y) is dominant over green color (y). A yellow-colored pea plant is crossed with a green-colored pea plant. Half of their offspring is yellow-colored while the other half is green-colored.What is the genotype of the yellow-colored parent? YY O Yy yy The genotype cannot be determined. 2. A scientist discovered an unknown organism in a tropical rainforest. The organism has been identified to possess the following characteristics: (1) multicellular at some point of its life cycle; (2) feeds on decaying organic matter; and (3) has a cell wall made of chitin.Which Kingdom does the unknown organism likely belong to? Kingdom Animalia Kingdom Plantae Kingdom Fungi Kingdom Protista 3. Which statement about ferns is TRUE? Ferns are unicellular organisms. Ferns are nonvascular plants. O Ferns have spores as reproductive structures. Ferns are capable of secondary growth.1. Dihybrid crosses: In dogs, black coat color(B) is dominant to yellow coat fur (b), and straight fur (F) is dominant to curly fur (f). The coat color gene and the fur texture gene are on different chromosomes, so they assort independently, and are not sex linkied. Determine the ratio of having a yellow dog with straight hair if the parents are: BbFF x Bbff a. What are the phenotype of the parents? b. Complete a punnet square. List all the genotypes of the predicted offsprin of this mating c. Based on your Punnet sqaure, list all the genotypes for offspring that would yield a dog with yellow straigh hair d. Based on the punnet square, what is the predicted phenotypic ratio for those parents having a dog with black curly hair.10. What phenotypes are expected and in what proportion from each of the following n crosses? (Assume D, G and Ware dominant over d, g and w, respectively.) 31 (a) DdGGww x DDGgWw how bon (b) ddggWw x DdGgww HD: (c) DdGgWw x DdggWw (d) DdGgWW x DdGgWW baildhalos 6 am bunjid-roloos (d) nomow sof bemam nam lemona (0) namnow beild-oloss of bemem nem tarono [b) int euogyson M 11. Radishes can be long, round or oval in shape. They may be red, white or purple in color. A long red variety was crossed with a round white variety. In the F₁ generation, all were oval purple. In the F2 generation, there were 8 long red, 15 long purple, 17 oval red, 31 oval purple, 7 long white, 15 oval white, 8 round red, 16 round purple and 9 round white. Explain the genetic basis of these results. hot tmsidorss endohes barlastis bed terftet ben hemouth bra (Jisi edohss srillo sonsmedni Snem ar to gaylonog ori ai fer msil) ov fa cisiv lemon diw be (!) 12. In shorthorn cattle, the allele for red coat color (R) is…