- In the following types of matings, the phenotypes of the parents are listed together with the frequencies of phenotypes occurring among their offspring. Indicate the genotype of each parent (you may need to use testcrossesl). Parents Offspring B:0 을 A: 을 B | AB : B: A :0 를 AB : 를 A a. Вх В b. ОхАВ Bx A d. Bx A C.
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- 4. Albinism is caused bya recessive al lele. A brown rabbit crossed with an albino rabbit produces 12 brown offspring. When the albino rabbit is crossed with a second brown rabbit, 7 brown and 5 albino offspring are produced. What is the best explanation for this genetic situation? Write the genotypes of each of the parents and their offspring. A First set of parents First set of offspring Cenng to ri Second set of parents e 1:s!! A A Second set of offspring SblI 2. In frost moths, two alleles of one gene determine the character difference of spotted versus striped wings and two alleles of a separate, independent gene determine the character difference of orange wing background versus white wing background. The results for four matings of moth phenotypes are shown below. [Yes - it's possible for the same phenotypes to have different genotypes]. Mating Parental Phenotypes 1 2 3 4 spotted/white x striped/orange spotted/white x striped/orange spotted/orange x striped/ white spotted/orange x striped/orange Spotted/ orange 122 812 422 623 Number of progeny Spotted/ Striped / white orange 131 128 0 430 0 637 a. Determine which alleles are dominant and assign a letter to each. Striped / white 133 0 0 0 b. What are the genotypes of each parent in each cross? If more than one genotype is possible, list the alternative possibilities.feeve uld eved lliw en isnebi l Hiwi shi Seeye euld eved lliw erde 1o erd ,lemetst ai niwi nerth ino AaBbC X AaBbCc, niwt1er would be the probability of offspring with: 4. Based on the mating a.) either the phenotype A-bbC- or the genotype aaBBCC? b.) the genotype AABBCC or the genotype AaBbCc?
- 2. Describe the phenotype of the cats with these genotypes (If allele not specified, assume wild type): CC ss OO BB dd McMc tt ww Light brown male with choco [Choose ] Light brown male with chocolate tips ctct ss OY bb TAt A uniformly colored black cat Light grey female with dark grey mackerel stripes Black female with large white patches Dark grey with black mackerel stripes Cc SS Oo BB TATA Cream male with small white patches and orange mackerel stripes CC Ss oY bb dd tt [Choose ]Date Name Punnett Square Practice Worksheet 1) For each of the genotypes (AA, Aa or aa) below determine what the phenotype would be. Purple flowers are dominant to white flowers. PP Pp PP Hairy knuckies are dominant to non-hairy knuckles in humans. Hh hh HH Bobtails in cats are recessive. Normal tails are dominant. Tt tt TT 2) For each of the following write whether it is homozygous dominant, heterozygous or homozygous recessive. AA gg Pp Ii TT Use the following information for questions 3-5: In dogs, the gene for fur color has two alleles. The dominant allele (F) codes for grey fur and the recessive allele (f) codes for black fur. 3) The female dog is heterozygous. The male dog is homozygous recessive. Figure out the percentage or ratio of possible phenotypes and genotypes of their puppies by using a Punnett Square. Plae the oileles for the mule parent helm One alele n e h lie: % of possible Genotypes: FF Plar the alfele f he emle p r ti side One elleir on ch tine Ff: % of possible…3. If an individual with genotype Yy Ww Pp ee Bb is crossed with an individual with the same genotype, what proportion of offspring will have the dominant phenotype for the four heterozygous loci? answers: 81/256 81/128 27/256 3/16
- 4. A male rabbit with genotype GgBb x with a female rabbit with genotype ggbb. ● The female only has one possible combination (gb) and her gametes are completed on the Punnett square below. To set up the Punnett square, use the "foil" method to determine the alleles present in the gametes. The image shown below will help you set up the male rabbit's genotype at the top of the square. ● Show the Punnett square and the expected offspring and their proportions. gb gb G g Bb gb gb How many out of 16 are: Grey, black eyed Grey, red eyed White, black eyed White, red eyedWhat genotypes, and in what frequencies, will be present in the offspring from the following matings? a. AABBaaBB b. AaBbaabb c. AaBBAABb d. AaBbAaBb}} >> 用行书 1 6 88356 11 新 日 員 13 38 19 2 ? 14 老式 20 3 DE 15 68 21 O a. a normal male karyotype O b. a male who is missing a y chromosome O c. a female who is missing a y chromosome O d. a normal female karyotype 9 22 18 16 8 8等 1盒 11 x 17 in Y 5 Si 12 18
- EE = floppy ears Ee = floppy ears bb = brown fur ee = pointed ears BB = black fur %3D Bb = black fur %D %3D 1. A female dog with the genotype BBee is crossed with a male dog with the genotype bbEe The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. Ве Ве Ве Ве bE BbEe BbEe How many out of 16 have: black fur and floppy ears? be Bbee Bbee Bbee Bbee black fur and pointed ears? brown fur and floppy ears? bE BbEe BbEe BbEe brown fur and pointed ears? be Bbee Bbee Bbee Bbee .. ... 2. Show the cross: bbEe x BbEe How many out of 16 have: black fur and floppy ears? black fur and pointed ears? I floppy ears? own brown fur and pointed ears?Assignment de x → C Maya Salem X BAssignment de x app.wizer.me/learn/00E0A8 WIZKI.ITUE a Complete dominance b Figurative Lan x Orville Compeh has purple blue ba alles Oompahs can have red, blue, or purple hair. What type of dominance is this? Figurative Lan x A Assignment d x Codominance Interactive Wc x Incomplete dominance Dashboard A To-doName: 2. Some ladybugs have 10 black spots on their shells and some have 4. When true breeding 10 spot individuals are crossed with true breeding 4 spot individuals, the offspring have 7 spots. a. Propose two distinct explanations for this finding. Explain the nature of spot inheritance in each case. D. rew bacteria erred them figure above would of14N7 then ely 2 moldon omrod abitqaq ratlsmmem sge of delw toiisoibom s s neu not oomod aid to soubnup ogusl onomod odi to slevel ismon oouborg o o consu ud od souboini bluow uoy dairlw yd za00oq sdi mialex b. Propose an experiment that would distinguish between these possibilities. sor proieins