22. What will be the phenotype of the fly that grows from the fertilized cellshown below? (LS3-1) *Allele keyDominantRecessiveC- Curly wingB - Brown bodyL- Legs on headR- Red eyesC - normal wingb - black body1- antennar- orange eyesNormal wings, black body, antenna, and red eyes.Curly wings, brown body, legs on head, and red eyes.Curly wings, brown body, legs on head, and orange eyes.O Normal wings, brown body, legs on head, and red eyes

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Description: 22. What will be the phenotype of the fly that grows from the fertilized cellshown below? (LS3-1) *Allele keyDominantRecessiveC- Curly wingB - Brown bodyL- Legs on headR- Red eyesC - normal wingb - black body1- antennar- orange eyesNormal wings, bla

The traits which will be expressed in the fetolised egg will depend on the trait which he or she…

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22. What will be the phenotype of the fly that grows from the fertilized cell shown below? (LS3-1) * Allele key Dominant Recessive C- Curly wing B - Brown body L- Legs on head 1- antenna R- Red eyes C- normal wing b - black body r- orange eyes O Normal wings, black body, antenna, and red eyes. Curly wings, brown body, legs on head, and red eyes. Curly wings, brown body, legs on head, and orange eyes. O Normal wings, brown body, legs on head, and red eyes

22. What will be the phenotype of the fly that grows from the fertilized cell shown below? (LS3-1) * Allele key Dominant Recessive C- Curly wing B - Brown body L- Legs on head 1- antenna R- Red eyes C- normal wing b - black body r- orange eyes O Normal wings, black body, antenna, and red eyes. Curly wings, brown body, legs on head, and red eyes. Curly wings, brown body, legs on head, and orange eyes. O Normal wings, brown body, legs on head, and red eyes

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter13: Genes, Chromosomes, And Human Genetics

Section: Chapter Questions

Problem 8TYK: Another gene in Drosophila determines wing length. The dominant wild-type allele of this gene...

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1. What will be the phenotype of the fly that grows from the fertilized cell shown below? Allele key Dominant Recessive C- Curly wing B- Brown body L-Legs on head R- Red eyes C- normal wing b- black body |- antenna r- orange eyes O A. Normal wings, black body, antenna, and red eyes. • B. Curly wings, brown body, legs on head, and red eyes. OC. Curly wings, brown body, legs on head, and orange eyes. D. Normal wings, brown body, legs on head, and red eyes.
15. B. You set up a cross between a male fruit fly with lobe eyes and a true breeding female fruit fly with reduced bristles and disrupted wings. In the F1 offspring you see the all the flies have WT bristles and WT wings. However, half the flies have WT eyes and half the flies have lobe eyes. You take 20 of the F1 female flies with lobe eyes and mate them to 20 true breeding male flies with reduced bristles and disrupted wings and observe the following offspring: 164 lobe eyes and reduced bristles 137 lobe eyes and disrupted wings 638 reduced bristles and disrupted wings 152 reduced bristles 40 wildtype 175 disrupted wings 659 lobe eyes 35 lobe eyes reduced bristles and disrupted wings Calculate the interference for this region.
Im pP x PP 6/6 wa s hatarosygous genotypa? Dark eyes Dark eyes 11. What percentage of the offspring will have a heterozygous genotype? 12. What will the ratio of flies with dark eyes to white eyes be? Dd x x Dd 13. What percentage of the offspring will be short? Tall Tall 14. What percentage of the offspring will have a homozygous dominant genotype? TT х Tt 15. What percentage of the offspring will Long beak Long beak have long beaks?
5. The ability to taste PTC paper is controlled by a dominant gene. The ability to taste (T) PTC is 1ueunuop sno8Ázounu ae RIR dominant over the inability to taste (t) PTC. Normal skin (N) is dominant over albino skin (n). Two tasters, normally pigmented, have an albino son and a non-taster daughter. Show the cross between the parents. Genotype of mom Genotype of dad Genotypes Phenotypes What is the chance that the albino son is a taster? What is the chance that the non-taster daughter is an albino? What is the chance that the non-taster daughter is a carrier of the albino trait? What is the chance of getting offspring who are heterozygous for both traits?
Pa × PP Dd 6/6 - Long beak Short beak 7. What percentage of the offspring will have a homozygous dominant genotype? 8. What will be the ratio of long beaks to short beaks in the offspring? LI x 11 9. What percentage of the offspring will White flowers Purple flowers have purple flowers as their phenotype? 10. What percentage of the offspring will have a heterozygous genotype? pp х x PP 11. What percentage of the offspring will Dark eyes Dark eyes have a heterozygous genotype?
Choose the statement that is incorrect. a. A son can inherit a recessive allele on an X chromosome from either parent. b. An individual may inherit three or more of each type of chromosome characteristic or the species, a condition called polyploidy. c. A female child inherits one X chromosome from her mother and one from her father. d. Pedigree analysis can be used to determine a future childs chance of being born with achcondroplasia.
In sweet pea plants, an allele for purple flowers. (P) is dominanl when paired with a recessive allele for red flowers (p). An allele for Jang pollen grains (L) is dominant when paired with a recessive allele for round pollen grains (L). Bateson and Punnett crossed a plant having purple flowers and long pollen grains with one having white flowers and round pollen grains. All F1 offspring have purple flowers and long pollen grains. Among the F2 generation, the researchers observed the following phenotypes: 296 purple flowers/long pollen grains 19 purple /lower/ round pollen grains 27 red flowers/long pollen grains 85 red flowers/round pollen grains What is the best explanation for these results?
Imagine you are performing a cross involving seed color in garden pea plants. What Fi offspring would you expect if you cross true-breeding parents with green seeds and yellow seeds? Yellow seed color is dominant over green. 100 percent yellow-green seeds 100 percent yellow seeds 50 percent yellow, 50 percent green seeds 25 percent green, 75 percent yellow seeds
Several alleles affect traits of roses, such as plant form and bud shape. Alleles of one gene govern whether a plant will be a climber (dominant) or shrubby (recessive). All F1 offspring from a cross between a true-breeding climber and a shrubby plant are climbers. If an F1 plant is crossed with a shrubby plant, about 50 percent of the offspring will be shrubby; 50 percent will be climbers. Using symbols A and a for the dominant and recessive alleles, make a Punnett- square diagram of the expected genotypes and phenotypes the cross between the F1 offspring and the shrubby plant.
Another gene in Drosophila determines wing length. The dominant wild-type allele of this gene produces long wings; a recessive allele produces vestigial (short) wings. A female that is true- breeding for red eyes and long wings is mated with a male that has purple eyes and vestigial wings. F1 females are then crossed with purple-eyed, vestigial-winged males. From this second cross, a total of 600 offspring are obtained with the following combinations of traits: 252 with red eyes and long wings 276 with purple eyes and vestigial wings 42 with red eyes and vestigial wings 30 with purple eyes and long wings Are the genes linked, unlinked, or sex-linked? If they are linked, how many map units separate them on the chromosome?
A testcross is a way to determine ________. a. phenotype b. genotype c. dominance
Figure 18.14 Which is most likely to survive, offspring with 2n+l chromosomes or offspring with 2n-l chromosomes?