Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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- 5. Flower color is determined by the pathway below. You a crossing a true-breeding white-flowered plant thatcannot produce gene A and a true-breeding white-flowered plant that cannot produce gene B.Gene A Gene BWhite White Purplea. What are the genotypes of the P-generation?b. What are the genotypes and phenotypes of the F1 generation?c. What are the genotypes and phenotypes of the F2 generation? What is the phenotypic ratio?(Purple:White)arrow_forwardIn peas, tall stems & axial flowers are dominant to dwarf stems & terminal flowers, which are recessive. If you have a tall, axial flowering plant and want to determine its genotype, what kind of pea should you breed it with? a. tall & axial flowering b. dwarf & axial flowering c. dwarf & terminal flowering d. tall & terminal floweringarrow_forward44. In pea plants, the tall phenotype is dominant to the dwarf phenotype. If a heterozygous pea plant is crossed with a homozygous tall pea plant, what is the probability that the offspring will be dwarf in size? A. 1 В. О С. 0.5 D. 0.25 45.A cross where we follow the inheritance of 2 pairs of alleles is called A. monohybrid. B. dihybrid. C. heterozygous. D. diallelic. 46. Let P = purple flowers and p = white, and T = tall plants and t = dwarf. What are the genotypes of the gametes that are produced by a plant that is heterozygous for both traits? A. PT and pt B. P, p, T, and t C. PT, Pt, pT, and pt D. Tt, TT, tt, Pp. PP, and pp 47. During DNA replication, DNA pol III synthesizes the lagging strand in segments, called A. replication fragments. B. Chargaffs segments. C. replisomes. D. Okazaki fragments. 48. If a short sequence of DNA is 5' AATTGCCGT 3', its complement is A. 3' TTAACGGCT 5'. B. 3' TTAAGCCGA 5'. C. 3' TTAAGCCGU 5'. D. 3' TTAACGGCA 5'.arrow_forward
- When a plant with red flowers is crossed with a plant with white flowers, the F1 generation consists of a plant with pink flowers. This is an example of which of the following modes of inheritance? A. multiple alleles B. incomplete dominance C. codominance D. complete dominancearrow_forwardThe weight of a fruit in a certain variety of squash is varies. When a plant that produces 6-lb fruits is crossed with a plant that produces 2-lb fruits, all offspring produce fruits that weigh 4 lbs each. In the F2 offspring, the variation in weight varies by 0.5 lbs from each. a. How many genes are involved? b. What ratio of squash in the F2 would weigh over 4.5 lbs? 4 I 6 I 4 5 [10I 10I 5 ] 6 [15 20 I 15]I 6 ] 1 7 21 35 35 21 7I1 18 28 56] 70 56 28] 8 ] 1 1 I9 [ 36 I 84 I126|126] 84 I 36 I 9 I 1 1 [ 10 45 120 210 252 210 120] 45 10I 1 1 [11 55 165 330 462 462 330 165 55 11 1arrow_forwardIn cattle, F₁ offspring from a cross of a white-coated bull and a red-coated cow would exhibit roan coat colour. This is an example of a. genes with multiple alleles. b. Codominance. c. Incomplete dominance d. Complete dominance Gametes contain a diploid (full) number of chromosomes a. True b. falsearrow_forward
- 4. Which is an example of codominance? A. A smooth-seeded pea plant and a wrinkled-seeded pea plant produce smooth-seeded pea plants. B. A white rabbit and a black rabbit produce a white-and-black rabbit. C. A blue-eyed man and a brown-eycd woman produce a blue-eyed child. D. A color-blind woman and a man with normal vision produce a color-blind son.arrow_forward86. A tall, purple pea plant that is true-breeding is crossed with a short, white pea plant. What will the genotype(s) of their offspring be?arrow_forwardWhich is NOT an example of Incomplte Dominance? EXPLAIN WHY? A. a pink flower produced from red and white flowers B. A flower that is both ref and white produced from red and white flowers C. Curly-haired and straight-haired individuals producing way-haired offspring D. A high spotted dog and a non-spotted dog producing puppies with a few spots..arrow_forward
- The following four plants have been identified as having the listed gametophytic self-incompatibility genotypes: Plant 1: S2Ss Plant 2: S5S7 Plant 3: S1S2 Plant 4: S1S7. Predict the progeny from the following crosses. a. Plant 1 x Plant 2 U b. Plant 1 x Plant 3 c. Plant 1 x Plant 4 d. Plant 2 x Plant 4 e. Plant 4 x Plant 3 % 5 A 6 MacBook Pro 13 13 & 7 8 9arrow_forwardIn pea plants, round peas (R) are dominant to wrinkled peas (r). You do a test cross between a pea plant with wrinkled peas (genotype rr) and a plant of unknown genotype that has round peas. Result: 4 plants with round peas. What is the unknown parent? Use Punnett square on homework to help answer the question. O a. Homozygous dominant O b. Heterozygous O c. Homozygous recessive O d.arrow_forwardA plant that is homozygous for the recessive yellow pod color is crossed with a plant that is heterozygous. Which phenotype will appear MOST in the offspring? A. There will only be plants with green pods. B. There will be more plants with green pods. C. There will be more plants with yellow pods. D. Plants with yellow and green pods will appear in equal numbers.arrow_forward
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