The four o'clock flower is an example of co-dominance. RR=red, WW-white, and RW-striped red and white. If two heterozygotes are crossed, what are the chances that an offspring will have red flowers? O 0% O 25% O 50% 75% 100% 4
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- Question: A cat shows yellow (O) as a dominant color to orange (o) color. A heterozygous yellow-bodied male cat mates with an orange-female. What are the possible genotypes and phenotypes of the offspring that result from this mating? Including a Punnett Square.Question: Red color (R) allele is dominant over blue color (r) for carnations (a type of flower). You will cross a heterozygous red carnation with a blue carnation. Show all your work filling out the required parts of the diagram. Then, select the correct statement below. (Picture below) 1. 75% red - 25% blue 75% heterozygous - 25% homozygous 2. 75% red - 25% blue 75% heterozygous - 25% homozygous 3. 50% red - 50% blue 50% heterozygous - 50% homozygous 4. 25% red - 75% blue 25% heterozygous - 75% homozygousQuestion 6: If individuals IV-4 and IV-5 mate and have a child, what is the probability that the child will have the genetic condition? Assume people mating into the pedigree do not carry the abnormal allele unless information given in the pedigree suggests otherwise. Write the probability as a fraction without any spaces, answers given as a decimal will be marked incorrect. (For example write your answer as 5/72 – note that is NOT the correct answer).
- Question 26 refers to QTL on the cricket autosomes. Forthe sex chromosomes, females crickets are XX and malescrickets are XO, having just one X chromosome but noY chromosome. Can QTL for pulse rate be mapped oncricket X chromosomes? If the song is only sung by malecrickets, can the dominance effects of QTL on the X beestimated?Question In gerbils, the gene that specifies coat color is sex‑linked and has multiple alleles, as follows: B ‑ black, br ‑ brown, by ‑ yellow, and b ‑ albino. The allele br is incompletely dominant over by, the combination br by giving tan color; otherwise, dominance is in the order given ‑‑ B, br, by, b. (For your information, gerbils are mammals.) A black gerbil mated with a yellow gerbil gave one brown male and one black female offspring. What is the sex of the black parent? What is the genotype of the brown offspring? If the two offspring were to mate with each other, what is the probability that they will have a yellow offspring?QUESTION 3 If parents differ in only a single characteristic during a test cross, it is a ________ cross. a. dihybrid b. monohybrid c. trihybrid
- A pea plant with yellow round (Y_R_) seeds is crossed with a second pea plant with green wrinkled (yyrr) seeds. What would the phenotypes of the offspring be if the yellow round pea plant was homozygous for both traits? Question 34 options: All yellow round 1 yellow round : 1 green wrinkled 3 yellow round : 1 green wrinkled 1 yellow round : 3 green wrinkledQuestion: Suppose the progeny were crossed. Fill in the Punnett Squares below and answer the following questions. Seed Color Seed Shape R r A a In a pea plant experiment, the allele (R) producing yellow seed color is dominant, and the allele (r) producing green seed color is recessive. A homozygous recessive genotype would produce green seeds. Similarly, the allele (A) producing round seed shape is dominant to the allele (a) that produces wrinkled seed shape. A homozygous recessive genotype would produce wrinkled seeds. Both traits sort independently of each other. Given a pure-breeding cross between a round, green pea plant and a wrinkled yellow plant, complete the rest of the Punnett Squares below, and answer the following questions. R R A A RA Ra Ra raQuestion 1 What are the haploid genotypes of the gametes and frequencies/proportions of those gametes that can be formed in individuals of each of the following diploid genotypes? (DON’T do a cross. Just predict the different haploid gamete genotypes that could be produced by each diploid genotype below.) Proportions can be expressed in ratio form or fractional form. Dd Ee ff GG Mm Nn Rr ZZ
- QUESTION 1 The figure shown below indicates two Labrador retrievers that are both homozygous recessive for fur color. One dog is brown and the other is yellow due to a. pleiotropy. c incomplete dominance. d. epistasis. QUESTION 3 Which of the following did Gregor Mendel notice in garden peas? a. Some plants always produced offspring with flowers that were the same color as the parent plants’ flowers. b. Garden peas always produce a variety of phenotypes in their offspring, which result from frequent mutations. c. Any individual pea plant carries at least three different alleles for flower color. QUESTION 4 A chestnut-colored (red-colored) horse is mated with a cremello (cream-colored) horse. Over a 10-year period, all of their offspring are palominos (gold-colored). This pattern of inheritance is best explained by a. environmental effects on genes. c. multiple gene effects. d. incomplete…Question 2. A widow's peak hairline is a dominant trait and a straight hairline is a recessive trait. What will be the genotypes and phenotypes of children of a homozygous dominant parent and a heterozygous parent? a) Construct a Punnett Square - List gametes in the area with the dashed line and the genotypes of the offspring in the area with the sold line. b) Genotypes of Children-c) Phenotypes of children-Question 2: You have a purple pea plant of an unknown genotype. You crossbreed it with a white pea plant (recessive) to generate offspring. All of the resulting offspring are purple. Was your initial purple pea plant homozygous dominant or heterozygous dominant? Explain your answer.