Using punnet square, determine the chances of an autosomal recessive trait produced from the cross between D/d and d/d. O 50% 25% 75% 100%
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- Dimples (D) are a dominant trait genetic trait. Complete a Punnett Square to determine the possible phenotypes and genotypes of a cross between a man who is homozygous dominant and a heterozygous woman. Choose the percentages correctly below. Dimples: 0% 25% 50% 75% 100% No dimples: 0% 25% 50% 75% 100% DD: 0% 25% 50% 75% 100% Dd: 0% 25% 50% 75% 100% dd: 0% 25% 50% 75% 100%Most forms of albinism are inherited in an autosomal recessive pattern. Using a Punnett square, determine the chance that a child would phenotypically express albinism if the genotypes for both parents is Aa, where "A" indicates the dominant unaffected allele and "a" indicates the recessive affected allele. O 75% chance O 50% chance O 0% chance O 100% chance O 25% chanceUsing the pedigree chart attached: Above is a pedigree for colorblindness. Based on the pedigree, is the disease dominant or recessive and is it sex-linked or autosomal? Why? Furthermore, what is the probability that 18 on this chart is affected but the condition, and what is the probability that 18 is a carrier? Why? Are the probability of being a carrier and an affected individual different? Why?
- For each of the following genotypes state whether you have a homozygous or heterozygous for each trait (you may need to use 2 terms for one genotype). AaGG Rrgg TTGgConsider the following cross examining four gene in two parental lines: Parent 1: A/a; B/b; D/d; e/e Parent 2: a/a; b/b; d/d; E/e Assuming independent assortment for the four genes, what fraction of progeny will have the same genotype as that of parent 2? O 1/2 O 1/4 1/8 O 1/16In the following pedigree of an autosomal recessive disorder, what is the probability that IV-1 will be affected? I II III IV 1/2 1/12 O 3/4 2/3 O 1/4 Rr 1 R 2 Rr 2 R 3 RR 3 R 1 5 Rr 4 2
- If Subject 1 in the pedigree shown below is heterozygous for a rare autosomal recessive disease, what is the likelihood that Subject 7 will inherit the disease? 1/2 1/4 1/8 1/16 1/32 1/64 0What is the most likely inheritance pattern shown in image B, below? B A E KEY Homozygous Homozygous Heterozygous Heterozygous Wild Type Male Female Male Female Male Note: Completely red symbol denotes an individual exhibiting the phenotype of interest CI 11 III IV V 1/4 A Autosomal Dominant Autosomal Recessive Sex-linked Dominant Sex-Linked Recessive Mitochondrial 1/2 1/2 1/2 1/2 Wild Type Female 1/4 1/2 B Affected Known carrier Affected female Normal female Affected male Normal malePlease consider the pedigree below. There are no cases of false paternity. The ABO blood group phenotypes of individuals who marry into the family are a true reflection of their ABO genotypes. image attached I a. Which individual/s definitely has/have Bombay phenotype in the descendants of I-1 and I-2? b. What are the genotypes of individuals I-1 and II-2 at the ABO and H loci?
- For this pedigree, give the most likely mode of inheritance, assuming that the trait is rare. I || || IV 1 2 3 Om 123 2 4 1 O 3 2 4 5 OI 567 8 □O 4 5 6 7 8 9 11Calculate the probability of either all-dominant or all-recessive genotypes for the alleles A, B, E, and F in the following cross: A/a;B/b;c/c;d/d;E/e;F/fx A/a;B/b;C/c;d/d;E/e;F/f 1/64 1/128 1/256 1/32 1/16Assume that attached earlobes are an autosomal recessive trait with 73% penetrance. If one parent is heterozygous (Aa) and the other homozygous recessive (aa) for the attached earlobe gene, what is the probability that their second child will have attached earlobes? O 73% O 36.5% O 50% O 63.5% O 27% O 13.5% O 18.75%