Red-green color blindness is caused by a recessive allele on the X chromosome. A color blind woman and her normal vision husband have a color blind son. If they have a daughter what is the probability that the daughter will be color blind? Group of answer choices A. 50% B. 25% C. 100% D. 75% E. 0
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Red-green color blindness is caused by a recessive allele on the X chromosome. A color blind woman and her normal vision husband have a color blind son. If they have a daughter what is the probability that the daughter will be color blind?
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- A long-haired cat is crossed to a short-haired cat, both from purebreeding lines. All of the resulting offspring have short hair What types of offspring would result if you crossed one of the offspring to the long-haired parent? Group of answer choices A. all short B. ¼ short ¾ long C. half short and half long D. all long E. ¾ short, ¼ longGreen coloration is a recessive trait in pea plants. If you crossed a green pea plant with a green pea plant, the offspring could be what genotype? A. Homozygous Dominant B. Green C. Homogygous Recessive D. None of the above.Heterozygous is when... Choose the right answer: a.) the alleles are different b.) the alleles are absent c.) the alleles are present d.) the alleles are the same
- Is it possible for a bald man and a nonbald woman to have a nonbald son and bald daughter? A. Yes, if the father is homozygous and the mother is heterozygous. B. Yes, if both parents are heterozygous. C. No, it is not possible. D. Yes, if the father is heterozygous and the mother is homozygous.Red-green color blindness is controlled by a recessive allele on the X chromosome. A colorblind father and a normal vision mother have a daughter with red green color blindness. If they have a son what is the probability that he will be color blind? Group of answer choices a. 0.75 b. 0.5 c. 0 d. 1 e. 0.25A scientist takes a frog with green skin and mates it to a frog with brown skin. All the frogs in the next generation have brown skin. The phenotype of the F1 compared to the parents demonstrates which concept? Group of answer choices A. blending inheritance B. complete dominance C. epistasis D. law of independent assortment E. co-dominance
- A cross occurs between a black homozygous mouse and a white homozygous mouse. They produce gray offspring. What type of dominance is reflected in the scenario above? a. codominance b. incomplete dominance c. complete dominance d. blending of genesA 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.Labrador retrievers’ fur color is controlled by two alleles, E and B. Any dog with the ee__ genotype develops into a yellow lab, while B_E_ dogs become black labs and bbE_ dogs become chocolate labs. This is an example of _____. a. epistasis b. codominance c. incomplete dominance d. linkage
- A cross between two pea plants with genotypes PpLI and PpLI results in an F1 generation that is 25% PPLL, 50% PpLI, and 25% ppll. Which reason most likely explains why other possible genotypes are not present? Choose 1 answer. A.The genes underwent independent assortment B.The loci of the genes are close together. C.The loci of the genes are on different chromosomes. D.Crossing over occurred between chromosomes.Color blindness in men is controlled by a recessive gene located on the X chromosome. Can a brother and sister with color blindness have another normal brother? A. Yes, if the mother is a carrier. B.Yes, if the mother is homozygous. C.Yes, if the father is heterogametic. D.Yes, if the father is a carrier.What is the reason for doing a test cross? a. to identify heterozygous individuals with the dominant phenotype b. to determine which allele is dominant and which is recessive c. to identify homozygous recessive individuals in the F2 d. to determine if two genes assort independently
