In Elves, curled toes (T) is dominant to flat toes (t). If an Elf that is heterozygous were crossed with an Elf that is homozygous recessive, what possible offspring could there be in the F1 generation?
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In Elves, curled toes (T) is dominant to flat toes (t). If an Elf that is heterozygous were crossed with an Elf that is homozygous recessive, what possible offspring could there be in the F1 generation?
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- In garden pea plants, axial flower location is dominant (A) to terminal flower location (a). If a plant that is heterozygous for axial flower location is crossed with a plant that has terminal flower location, what is the genotypic ratio of the offspring?In watermelons, the green colour gene (G) is dominant over the striped colour gene (g), and round shape (R) is dominant over long shape (r). A heterozygous round green colour (GgRr) watermelon plant is crossed with another heterozygous round green colour (GgRr) plant. Determine the expected phenotypic ratio of the F1 generation.In chickens, rose comb (R) is dominant to single comb (r). What types of offspring would be expected from a white rooster who is heterozygous rose combed who is crossed with a single-combed Andalusian blue hen.
- In incomplete dominance inheritance, a snapdragon plant that is homozygous for red flowers is crossed with a snapdragon plant that is homozygous for white flowers. What is the probability (%) that the offspring will have red flowers?In garden pea plants, axial flower location is dominant (A) to terminal flower location (a). If two plants that are heterozygous for axial flower location are crossed, what is the probability that the first two offspring will have axial flower location?In certain cactus, prickly spines can be two-pronged or one-pronged. If a homozygous one-pronged cactus is crossed with a homozygous two-pronged cactus, the F1 generation has a mixture of spines (some are two-pronged, some are one-pronged). a. What are the genotypes of the parents and F1s?b. What mode of inheritance is exhibited? c. If the F1s were crossed, what proportion of the F2s will have genotypes like their parents?
- In dogs, black (B) is dominant over brown (b) color. What would be the color of the puppies if a purebred black dog is crossed with a purebred brown dog? What would be the phenotypic ratio of the F1 offspring? Show a punnet square for this crossIn fruit flies, red eyes (R) are dominant over purple (r). Two red- eyed parents are crossed, producing an F1 generation of 76 red- eyed and 24 purple-eyed offspring. What is the approximate phenotypic ratio?In guinea pigs, rough coat (R) is dominant to smooth coat (r). If a homozygous rough-coated animal is crossed with a smooth-coated one: What will be the phenotype(s) of the F1 generation? What will be the phenotype(s) of the F2 generation? What will be the phenotype(s) of the offspring resulting from a cross of an F1 individual back to its rough parent? What will be the phenotype(s) of the offspring of a cross of an F1 individual back to its smooth parent?
- If a heterozygous F1 Tobacco plant was crossed to an albino plant, what is the expected number of green and white plants in the next generation? (show Punnett square) A woman homozygous dominant for albinism marries a man who is homozygous recessive for albinism. What are the possible genotypes and phenotypes percentages for their offspring? A man that can roll his tongue is heterozygous for the trait marries a woman that cannot roll her tongue. They have a child. The rolling tongue is dominant to not rolling tongue. What is the man’s genotype for tongue rolling? The women? Show the Punnett square for the child’s genotype Give the probability (percent chance) that the child can or cannot roll their tongue. Oh no! The F1 and F2 generation seed packet labels were mixed around. How would we know which seeds we planted by observing the color of the leaves? (Hint: What are the genotypes of the two generations? What color leaves do they produce in what ratios?)In Drosophila, sepia colored eyes are due to a recessive allele s and red eyes are due to a dominant allele S. If females with sepia eyes are crossed with homozygous males with red eyes, what phenotypic proportions will F1 y F2 respectively?Forked bristles, miniature wings, and sable bodies are all homozygous recessive traits whose genes are located on the same chromosome. You cross female flies that have forked bristles (f) with male flies that have both miniature wings (m) and sable bodies (s). You then cross the F1 of this cross with flies that have sable bodies, forked bristles, and miniature wings, and obtain the following numbers of offspring with the following phenotypes out of a total of 1500 offspring: Sable bodies and miniature wings 463 Sable bodies and forked bristles 3 Miniature wings and forked bristles 49 Forked bristles, miniature wings, sable bodies 99 Miniature wings 5 Wild type 107 Sable bodies 55 Forked bristles…