eye colour body colour wing type -4 map units 6 map units 10 map units Refer to the illustration above. Which genes are most likely linked? eye colour and wing type None of them are linked. O body colour and wing type O They are all linked. O eye colour and body colour
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- an orange [yr] snap dragon is of a cross between a yellow [yy] snap dragon and a red[rr] snap dragon where yellow is incomplete dominant over redYou are a studying the genetic basis of horn color in unicorns. Gene C determines the color of pigment destined for the horn by converting a pink precursor into a purple pigment. C- individuals make purple pigment whereas cc individuals accumulate pink precursor. Gene D ensures the deposition of the pigment into the horn cells, such that D- individuals have a colored horn (purple or pink), whereas dd individuals have a white horn. You breed two purple horned unicorns to each other (CcDd). Assuming Gene C and Gene D are unlinked, what is the probability that the baby unicorn has a purple horn? Please express your answer to 2 decimal places (e.g. 0.69).coat color in rodents is governed by agene interaction. An albino rat is crossed to a black rat. The ratioof their offspring is 1 agouti : 1 black : 2 albino. What are the genotypes of the parents?
- The genes A B C occur in that order in fruit flies. A is 10 map units from B, and B is 20 map units from C. How far is A from C? A. 30 map units B. 20 map units C. 40 map units D. 10 map units E. 0.2 map unitsYour phenotypes for ptc. Your genotypes for ptc. Your phenotype for darwins ear point. Your genotypes for darwins ear point. Your phenotype for ear lobe attachment. your genotypes for ear lob attachment.In c. elegans, genetics model organism, movement problems (unc) and small body size (sma) are encoded by two mutant alleles that are recessive to those that produce wild-type traits (unc+ and sma+). A worm homozygous for movement problems and small body is crossed with a worm homozygous for the wild-type traits. The F1 have normal movement and normal body size. The F1 are then crossed with worms that have movement problems and small body size in a testcross. The progeny of this testcross is: Normal movement, normal body size 210 Movement problems, normal body size 9 Normal movement, small body size 11 Movement problems, small body size 193 a)From the test cross results, can you tell if the two genes are on the same chromosome or not? Explain your reasoning. b)What phenotypic proportions would be expected if the genes for round eyes and white body were located on different chromosomes? (please explain hot to get to these conclusions)
- A homozygnous Dominant brown mouse is crossed with a heterozynous Brown mouse(tan is ressesive color)The A and B antigens in humans may be found in water-soluble form in secretions,including saliva, of some individuals (Se/Se and Se/se) but not in others (se/se). The populationthus contains “secretors” and “nonsecretors.”(a) Determine the proportion of various phenotypes (blood type and ability to secrete) in matingsbetween individuals that are blood type AB and type O, both of whom are Se/se.(b) How will the results of such matings change if both parents are heterozygous for the genecontrolling the synthesis of the H substance (Hh)?At least two pairs of genes control eye color. Both pairs influence the production of the pigment, melanin, but act independently. One pair of alleles is B (Brown color; dominant) and b (blue color); the other pair is A (pigment production; dominant) and a (no pigment production; albino). The gene pair aais epistatic to (masks) B and b and produces the nonpigmented eyes of the albino. What is the typeof gene interaction that exists between the two gene pairs? Give the genotypes and phenotypes of the possible offspring of the mating bbAa x Bbaa andi ndicate the parental phenotypes. (any method)
- Cat fur coat color genetics is interesting. Orange fur is dominant (''B'') to black fur (''b'') and piebald, which is white spotting, is dominant (''S'') to non-white-spotted (''s''). Both of those genes are located on the X chromosome. In addition, in cats, somatic cells exhibit X-inactivation randomly, which explains why there are tortoiseshell cats (when heterozygous, have orange and black spots) as well as calico cats (orange and black but also with white spots). An orange and white spotted male is mated with a tortoiseshell female. State the genotype of the male and the female.Cat fur coat color genetics is interesting. Orange fur is dominant (''B'') to black fur (''b'') and piebald, which is white spotting, is dominant (''S'') to non-white-spotted (''s''). Both of those genes are located on the X chromosome. In addition, in cats, somatic cells exhibit X-inactivation randomly, which explains why there are tortoiseshell cats (when heterozygous, have orange and black spots) as well as calico cats (orange and black but also with white spots). An orange and white spotted male is mated with a tortoiseshell female. Draw a dihybrid Punnet square to show the possible offspring:In humans, the ability to smell hydrocyanic acid (HCN) is inherited as a recessive trait (h = can smell HCN, H = cannot smell HCN). A woman, a man, and their biological child are all standing in a room. The child can smell the HCN but the parents cannot. 1.) What is the genotype of the child? 2.) What are the possible phenotypes of the parents?