A 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
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A 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
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- In some plants, purple flower color is dominant to white flower color. If a plant that is homozygous dominant for purple flowercolor is crossed witha plant that h as homozygous recessive, what percentage of the offsprings will have white flowers? 1) 0% 2) 50% 3) 25% 4) 100%which is not true according to mendel's law of segregation? A) one factor must be dominant and one factor recessive in each individualB)fertilization restores the presence of two factorsC)each gamete contains one copy of each factor.D)each individual contains two factors for each traitIf blonde hair color is a recessive trait and one parent is heterozygous for the trait and the other parent is heterozygous for the trait, what ae the chances that their offspring will have blonde hair? A. 25% (one in four) B 50% (two in four) C. 75% (three in four) D. 100% (four in four)
- In cats, orange and white stripes (S) are dominant and orange and white spots (s) are recessive, and yellow eyes (E) are dominant to green eyes (e). If the allele for pattern (strips or spots) and the allele for eye color (green or yellow) are linked. How many phenotypes are possible? Group of answer choices 2 4 3 8which is not true according to mendel's law of segregation? A) one factor must be dominant and one factor recessive in each individualB)fertilization restores the presence of two factorsC)each gamete contains one copy of each factor.D)each individual contains two factors for each traitE) ferilization restores the presence of two factorsWhat inheritance pattern results from alleles with incomplete dominance? There is a range of phenotypes such that the trait appears along a spectrum rather than "either or" There is a 3rd phenotype, often and intermediate value between the other 2 extremes The recessive phenotype is sex linked The recessive phenotype skips a generation
- In hamsters, black hair (B) is dominant over gray (b) hair color. A black hamster bred to a grey hamster, resulting in 8 black and 7 grey hamsters in F1. What are the genotypes of the parents? Parent with black hair:________ Parent with gray hair:________ Group of answer choices a) BB, Bb d) Bb, bb c) bb, bb d) BB, bbA scientist takes a frog with green skin and mates it to a frog with brown skin. All the frogs in the next generation have very brown skin. Two of the F1 frogs are mated to one another. Their offspring are some green-skinned and some brown-skinned. The two different phenotypes of the F2 produced by parents with a single phenotype demonstrates which concept? Group of answer choices A. law of segregation B. law of independent assortment C. codominance D. complete dominance E. blending inheritanceThe gene for eye color uses the symbol B for brown eyes (dominant) and b for blue eyes (recessive). What are the mother is homozygous dominant and the father is heterozygous. What percent of the offspring will have brown eyes? What about blue eyes? Be able to show the cross in a Punnett square on the exam.
- Two people are both homozygous dominant for Brown eyes. When they have offspring: Group of answer choices Some will have blue eyes All will have blue eyes All will have brown eyes Half will have blue eyes and half will have brown eyesA gardener received a pea plant from her neighbor, and she wants to know its genotype. The neighbor told her it produces round peas, which is a dominant trait (R) to wrinkled peas (r). The gardener performs a test cross and observes that half of the offspring plants produce wrinkled peas. What is the genotype of the plant she received from her neighbor?) homozygous recessive, rr heterozygous, Rr homozygous dominant, RR In pea plants, the allele for round peas (R) is dominant to the allele for wrinkled peas (r). A gardener has a plant he got from his neighbor that produces round peas, but he does not know its genotype. What simple procedure could he do to determine the genotype of his new plant?) Perform a dihybrid cross—if only 1 out of 16 offspring are wrinkled, then the new plant’s genotype is RR. Perform a test cross with a plant that has an Rr genotype—if all of the offspring give round seeds, then the new plant’s genotype is Rr. Perform a test cross…What inheritance pattern results from alleles with incomplete dominance? The recessive phenotype skips a generation The recessive phenotype is sex linked There is a 3rd phenotype, often and intermediate value between the other 2 extremes There is a range of phenotypes such that the trait appears along a spectrum rather than "either or"