Problems (1 pt) PUT GENOTYPES HERE Having dimples is a dominant trait.pdf

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Problems (1 pt) PUT GENOTYPES HERE Having dimples is a dominant trait (DD or Dd); no dimples is recessive (dd). Eva does not have dimples so her genotype is: Tongue rolling is a dominant trait (T' or Tt). Teresa can roll her tongue but her father cannot. Teresa's genotype must be: Normal Skin color has the dominant allele (A); albinism is a recessive trait (aa). (4 pts) Put Answers HERE 1. The genotypes for people with NORMAL Skin Color is 2. The genotypes for someone AFFECTED by or who HAS the Albinism trait must be: 3. The heterozygous genotype for skin color is: 4. If a person has the heterozygous genotype, do they have NORMAL coloring or ALBINISM?: 5. Two heterozygous individuals have children. The PERCENTAGE of their children who are likely to have normal skin coloring would be: 6. Two heterozygous individuals have children. The PERCENTAGE of their children who may also have the HETEROZYGOUS genotype would be: 7. Two heterozygous individuals have children. The PERCENTAGE of their chidren who may have albinism may be: 8. If a man with albinism and a woman who is heterozygous for the trait have children, the PERCENTAGE of children who may HAVE ALBINISM could be:.

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Human Genetics Hands-on labs, inc. Version 42-0059-00-01 PHOTOS: There are no photos to be included with this lab report. Exercise 1: genotype to Phenotype Observations Experiment Human Genetics 281 ©Hands-On Labs, Inc. www.LabPaq.com Data Table 1: Trait Characteristics for Exercise 1 # Trait Allele from Mother Allele from Father Child’s genotype Child’s Phenotype (written) 1 Face shape ● AA, Aa aa ● Round Square A or a A or a 2 Chin size ● BB, Bb bb ● Prominent Average B or b B or b 3 Cleft chin ● CC, Cc cc ● Cleft chin No cleft C or c C or c 4 Hair type ● DD Dd dd ● Straight Wavy Curly D or d D or d 5 Widow’s peak ● EE, Ee ee ● Widows peak Absent E or e E or e 6 White forelock ● FF, Ff ff ● White forelock Absent F or f F or f 7 Eye shape ● GG, Gg gg ● Almond shape Round shape G or g G or g 8 Eye slantedness ● HH, Hh hh ● Horizontal Upward slant H or h H or h 9 Eyelashes ● II, Ii ii ● Long lashes Short lashes I or i I or i 10 Eyebrow thickness ● JJ, Jj jj ● Thick Thin J or j J or j 11 Eyebrow length ● KK, Kk kk ● Separated brows Brows joined K or k K or k 12 Lip thickness ● LL, Ll ll ● Thick lips Thin lips L or l L or l 13 Dimples ● MM, Mm mm ● Dimples No dimples M or m M or m 14 Nose shape ● NN, Nn nn ● Round Pointed N or n N or n 15 Nostril shape ● OO, Oo oo ● Round Pointed O or o O or o 16 Earlobe attachment ● PP, Pp pp ● Free Attached P or p P or p 17 Darwin’s earpoint ● QQ, Qq qq ● Pointed Point absent Q or q Q or q 18 Cheek freckles ● SS, Ss ss ● Present Absent S or s S or s 19 Forehead freckles ● TT, Tt tt ● Forehead freckles Absent T or t T or t Exercise 1: genotype to Phenotype Observations A. Why was the male chosen to determine the sex of the child? B. Draw a picture of the compiled traits. C. If this activity was repeated two or three times would the offspring images change? Explain your answer. Exercise 2: Punnett Squares Questions Use a Punnett square to solve the following scenarios. You MUST INCLUDE THE PUNNET SQUARE AS PART OF YOUR ANSWER FOR EACH OF THESE PROBLEMS. A. Dominant: cheek freckles Recessive: no cheek freckles (Please note that this trait is more complicated than described in this lab exercise, but for learning purposes, assume that this is correct.) A man with a heterozygous gene for freckles on his cheeks has a child with a woman who does not have freckles on her cheeks. What is the likelihood that their son will have freckles on his cheeks? B. Dominant: normal; no cystic fibrosis Recessive: cystic fibrosis A woman has a history of cystic fibrosis in her family, and found out that she has the gene for cystic fibrosis, but is not affected by the gene. Her husband also has a histo.

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1. John has tyoe o blood. His child has type A blood. What type of blood Could his mother have? Draw Punnett squares. 2. artan\'s syndrome is caused by an autosomal dominant altele. What are chances of having a child that will develop syndrome if one of the parents has Marfan\'s syndrome. \"President Lincoln may have had 3. The allele for green skin color frogs) is .2 and the allele for yellow color What would the probabilites phenotypes, d genotypes of all offspring from two Brown skin is dominant over yellow in snake skin. Smooth scales are all dominant Show a Punnett square that would show genotypes and probabilities of a cross between a yellow skinned 4. 5. In the and a brown rough skinned snake. were question above how would you know whether the offspring heterozygotes or true breeding for dominant traits? Solution Answer: 1) John has O blood group, so genotype is \"IOIO\" Mother blood group---? child blood group --- A, so genotype is IAIA or IAIO Child genotype can be either IAIA or IAIO Based in chidren blood group, if we cross father blood group with A, then.. 1) IOIO X IAIA 2) IOIO X IAIO From the above , we can say that mother blood is A, and genotype can be IAIA orIAIOIAIAIOIAIOIAIOIOIAIOIAIO.

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