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- Height of the plant if a homozygous tall pea plant is crossed with a homozygous short pea plant, what are the possible genotype and phenotypes of the offspring? Legend: T- tall pea plant t- short pea plant Genotypes of the parents TT x tt Question 1. what is the genotypic ratio 2. what are the possible phenotypes of the offspring? 3. What is the phenotypic ratio? 4. what is the probability of having a short trait?Give only typing answer with explanation and conclusion In corn three dominant genes are necessary for aleurone color. The genotype B__D__R is colored. Any homozygous recessive for one gene is colorless. Predict the expected phenotypic ratio COLORED: COLORLESS offspring from the cross of BbDdrr x BbDdRr. The answer is 9:23 Need full explanationmust fill up the both pedigree
- Which pathology leads to an increased risk of Alzheimer’s disease? Select one: a. Homozygosity for the e3 ApoE allele b. a sedentary life style c. A mutation in the amyloid precursor protein gene d. a diet high in fat and sugars e. Homozygosity for the e4 ApoE alleleEar Shape In pigs, erect-ears is dominant (E) to drooping-ears (e). 1) A farmer performs a test cross on his erect-eared sow (female pig). Explain the purpose of a test cross and describe the other individual involved in the cross. 2) Create a Punnett square for each test cross possibility. 3) Write a summary sentence explaining the result of each test cross.Both parents are dominate tall. What are the 4 possible offspring?
- More Crosses with Pea Plants: The Principle of Independent Assortment Consider the following cross in pea plants, in which smooth pea shape is dominant to wrinkled, and yellow pea color is dominant to green. A plant with smooth yellow peas is crossed to a plant with wrinkled green peas. The offspring produced peas that were all smooth and yellow. What are the genotypes of the parents? What are the genotypes of the offspring?More Crosses with Pea Plants: The Principle of Independent Assortment Think about this one carefully. Albinism and hair color are governed by different genes. A recessively inherited form of albinism causes affected individuals to lack pigment in their skin, hair, and eyes. In hair color, red hair is inherited as a recessive trait and brown hair is inherited as a dominant trait relative to red hair. An albino woman whose parents both have red hair has two children with a man who is normally pigmented and has brown hair. The brown-haired partner has one parent who has red hair. The first child is normally pigmented and has brown hair. The second child is albino. a. What is the hair color (phenotype) of the albino parent? b. What is the genotype of the albino parent for hair color? c. What is the genotype of the brown-haired parent with respect to hair color? Skin pigmentation? d. What is the genotype of the first child with respect to hair color and skin pigmentation? e. What are the possible genotypes of the second child for hair color? What is the phenotype of the second child for hair color? Can you explain this?Based on cross 3 how why the father has the homozygous dominant (RR) and the mother heterozygous dominant (Rr)
- Part B. Write the genotype for each individual person using H and h to represent the alleles. Remember to use a H? if you cannot determine what the genotype is for person with the dominant trait.Mendel's law of segregation states? a. chromosomes line up independently of one another b. chromosomes are the genetic material of the cell c. two traits will blend together when mixed from two different parents d. two alleles separate from one another during gamete formationMake a cross of four o’clock plant (Mirabilis jalapa L.) with red and white flowers. Get the F1 and F2 (by selfing F1), genotypic and phenotypic ratios. Show the phenotypic ratio by means of color.