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White-feathered leghorn and Wyandotte are crossed and surprisingly 3 of their offspring have colored feathers. Which of the following cani describe the gene interaction involved? A. The dominant version of the first gene can only produce color in the absence of the dominant version of the second gene. B. The dominant version of the second gene can only produce color in the absence of the dominant version of the first gene. C. At least one dominant version of each gene is needed to express color. D. At least one recessive version of each gene is needed to express color.

White-feathered leghorn and Wyandotte are crossed and surprisingly 3 of their offspring have colored feathers. Which of the following cani describe the gene interaction involved? A. The dominant version of the first gene can only produce color in the absence of the dominant version of the second gene. B. The dominant version of the second gene can only produce color in the absence of the dominant version of the first gene. C. At least one dominant version of each gene is needed to express color. D. At least one recessive version of each gene is needed to express color.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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-1 es White-feathered leghorn and Wyandotte are crossed and surprisingly 3 of their offspring have colored feathers. Which of the following can describe the gene interaction involved? A. The dominant version of the first gene can only produce color in the absence of the dominant version of the second gene. B. The dominant version of the second gene can only. produce color in the absence of the dominant version of the first gene. C. At least one dominant version of each gene is needed to express color. D. At least one recessive version of each gene is needed to express color. -1 attachment Alleles for hemophilia are considered semi-lethal genes because: A. The genes cause death to only some of the individuals affected with hemophilia. B. The alleles can only be expressed under certain environmental conditions. 2. C. Individuals with the dominant variant of the gene die early. D. All individuals with 2 doses of the recessive allele die during embryonic development. -1 atacnment- Which of the following is an example of intra allelic genetic interactions? 3. A. Complete dominance B. Intermediate dominance c. Codominance D. All of the above 4. Two summer white squashes with genotype WwYy were crossed (W= white color, Y=yellow color, w and y= green color) W is epistatic to Y and y. What would be the different colors of summer squashes obtained out of the above cross? (2 pts.) A. 12 white: 3 yellow:1 green B. 12 yellow: 3 white: 1 C. 12 green: 1 white: 3 yellow D. 12 yellow: 3 green: 1 white green
Transcribed Image Text:-1 es White-feathered leghorn and Wyandotte are crossed and surprisingly 3 of their offspring have colored feathers. Which of the following can describe the gene interaction involved? A. The dominant version of the first gene can only produce color in the absence of the dominant version of the second gene. B. The dominant version of the second gene can only. produce color in the absence of the dominant version of the first gene. C. At least one dominant version of each gene is needed to express color. D. At least one recessive version of each gene is needed to express color. -1 attachment Alleles for hemophilia are considered semi-lethal genes because: A. The genes cause death to only some of the individuals affected with hemophilia. B. The alleles can only be expressed under certain environmental conditions. 2. C. Individuals with the dominant variant of the gene die early. D. All individuals with 2 doses of the recessive allele die during embryonic development. -1 atacnment- Which of the following is an example of intra allelic genetic interactions? 3. A. Complete dominance B. Intermediate dominance c. Codominance D. All of the above 4. Two summer white squashes with genotype WwYy were crossed (W= white color, Y=yellow color, w and y= green color) W is epistatic to Y and y. What would be the different colors of summer squashes obtained out of the above cross? (2 pts.) A. 12 white: 3 yellow:1 green B. 12 yellow: 3 white: 1 C. 12 green: 1 white: 3 yellow D. 12 yellow: 3 green: 1 white green
1 attachment - The union of gametes carrying different alleles produces a heterozygous, dominant allele is expressed and observed in the 5. and the A. phenotype...genotype B. genotype...phenotype C. genotype...genotype D. phenotype...phenotype -1 attachment - Which of the following has contributed to the success of Gregor Mendel's garden pea experiments? A. Garden peas require longer time to mature. B. Mendel used heterozygous plants in the parental generation. C. Mendel used varieties that only differ in one trait. D. Garden peas would only produce few offspring every 6. generation. E. Not using statistics in the analysis of his results. -1 attacnment- If these two individuals with the following genotypes are crossed Parent 1: 7. AAbbCCDDeeFf aaBBccddEEFf Parent 2: What is the expected genotypic ratio of the F, generation? (3 pts) A. ¼ AaBbCcDdEeFf: ½ AaBbCcDdEeFF: ¼ AaBbCcDdEeff | B. ½ AaBbCcDdEeFf: ½ AaBbCcDdEeff C. 1 AaBbCcDdEeFF: 1 AaBbCcDdEeFf: 1 AaBbCcDdEeff D. 4 AABBCCDDEEFF: ½ AaBbCcDdEeFf: ¼ AaBbCcDdEeff 8.
Transcribed Image Text:1 attachment - The union of gametes carrying different alleles produces a heterozygous, dominant allele is expressed and observed in the 5. and the A. phenotype...genotype B. genotype...phenotype C. genotype...genotype D. phenotype...phenotype -1 attachment - Which of the following has contributed to the success of Gregor Mendel's garden pea experiments? A. Garden peas require longer time to mature. B. Mendel used heterozygous plants in the parental generation. C. Mendel used varieties that only differ in one trait. D. Garden peas would only produce few offspring every 6. generation. E. Not using statistics in the analysis of his results. -1 attacnment- If these two individuals with the following genotypes are crossed Parent 1: 7. AAbbCCDDeeFf aaBBccddEEFf Parent 2: What is the expected genotypic ratio of the F, generation? (3 pts) A. ¼ AaBbCcDdEeFf: ½ AaBbCcDdEeFF: ¼ AaBbCcDdEeff | B. ½ AaBbCcDdEeFf: ½ AaBbCcDdEeff C. 1 AaBbCcDdEeFF: 1 AaBbCcDdEeFf: 1 AaBbCcDdEeff D. 4 AABBCCDDEEFF: ½ AaBbCcDdEeFf: ¼ AaBbCcDdEeff 8.
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