in guinea pigs, rough coats (with lots of swirly cowlicks) are dominant over smooth coats. If an RR guinea pig is crossed with a Rr guinea pig, what are the possible genotypes and phenotypes of the offspring? What are the chances of each?
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- 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…Albino rabbits (lacking pigment) are homozygous forthe recessive c allele (C allows pigment formation).Rabbits homozygous for the recessive b allele makebrown pigment, while those with at least one copy ofB make black pigment. True-breeding brown rabbitswere crossed to albinos, which were also BB. F1 rabbits, which were all black, were crossed to the doublerecessive (bb cc). The progeny obtained were 34black, 66 brown, and 100 albino.a. What phenotypic proportions would have beenexpected if the b and c loci were unlinked?b. How far apart are the two loci?CH 1-4 X с Maya S x Credib x app.wizer.me/learn/00E0AB wizer.me a Maya X A To-do 25% The table gives the genoty Assign x M Dashb x 50% Figurat X C In cows, brown (B) is codominant with white (W). The heterozygous phenotype is brown and white speckles. A farmer decided to cross a brown cow and a white cow in hopes of making all brown and white speckles. What percentage of the offspring will be brown with white speckles? Figurat X 75% Dashboard Incomp X d Interac X Enter class code Go 100%
- Po es) 20 F1 KEY CROSS- RR X IT RESULTS- Rr GENOTYPE- RR IT Ơ 天 2 T 1. To determine the results of this experiment, complete the Punnett squares below by writing the correct allele(s) in the space provided P Generation PHENOTYPE- Round seeds x Wrinkled seeds F4 R 1, a r Rr F5 Rr RR Rr RR R X Rr F6 Rr Rr AaBbCcDdE AaBbCcDdE Aa BbCcD Aa BbCcD Heading 1 Normal No Spacing IT IT I F1 F2 F2 KEY CROSS-RrxRr RESULTS ace provid GENOTYPE 2. hat phenotypes are present in the F₁ generation? What gen'otypes are present? F7 3. What phenotypes are present in the F2 generation? In what ratio are they present? PHENOTYPE 4. Does your analysis support or refute Mendel's hypothesis of dominant and recessive inheritance? Explain. DII F8 Title F9 Aa BbCcDdEe Focus Subtitle E E 1A wild-type fruit fly (heterozygous for gray body color andred eyes) is mated with a black fruit fly with purple eyes. Theoffspring are wild-type, 721; black purple, 751; gray purple, 49;black red, 45. What is the recombination frequency betweenthese genes for body color and eye color? Using informationfrom problem 3, what fruit flies (genotypes and phenotypes)would you mate to determine the order of the body color, wingsize, and eye color genes on the chromosome?onpin=FIGIH te. G Gmail O YouTube Maps In humans, having dimples is dominant over not having dimples. In the Punnett square below, show a cross between a parent who is homozygous for dimples (DD) with a parent who is heterozygous for dimples (Dd). Then complete the table of genotypes and phenotypes for this cross. Genotypes Phenotypes Tt A Open notes navigator
- Phenotype Genotype Wide bands BB medium Bands Bb narrow bands bb Phenotype Genotype Complete Washing WW half washing Ww No washing ww If a raccoon with a wide tail band that washes only some of its food is crossed with a raccoon with a narrow tail band that doesn’t wash any food, what percentage of their offspring would be medium-tailed and washes all its food? Show COMPLETE cross.Punnett Square for a Dihybrid Cross to Investigate Coat Colour in Mice be Вс BbCc Answer: D Ova BBCC BbCc bc) bb Cc (BC) BbCC D BbCc Bbcc X BBCC bbcc BBcc bbcc Bb Cc BC O Sperm BbCC Bb Cc Bbcc bc BBCC bbcc Вс BbCc Legend Black Brown White Coat colour in mice is controlled by the interaction of two genes. Three phenotypes result: black coat, brown coat, and white coat. The expected phenotypic ratio resulting from a cross between a bbCc female mouse and BbCc male mouse, is black: brown : white Enter only the number values in the order black brown white (Do not include spaces, commas, etc.)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?
- 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?VHO Has typ D VIO0a ana a Wom What would be the expected phenotypes (in percent) of their children? In fruit flies, a gene that controls eye color is X-linked. Red eyes are dominant to the allele for white eyes. What 3) are the expected offspring phenotypes (in percent) if a heterozygous red-eyed female is crossed with a white- eyed male? d man with normal 11 1 woman mIn guinea pigs, short hair is dominant to long hair. Also in guinea pigs, black eyes aredominant to red eyes. A male guinea pig that is heterozygous for both traits is crossedwith a female that is long haired and red eyed. What are the expected phenotypes oftheir offspring? Provide the phenotypic ratio as well.