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- What is the differencebetween homozygosity andheterozygosity?Monozygotic (MZ) twins have a concordance value of 44% for a specific trait, whereas dizygotic twins have a concordance value of less than 5% for the same trait. What could explain why the value for MZ twins is significantly less than 100%?Deduce the F2 ratios of the trihybrid cross of AABBCC × aabbcc
- A woman with achondroplasia (a dominant form of dwarfism) anda phenotypically unaffected man have seven children, all of whomhave achondroplasia. What is the probability of producing such afamily if this woman is a heterozygote? What is the probabilitythat the woman is a heterozygote if her eighth child does not havethis disorder?If one is testing a goodness of fit to a 9:3:3:1 ratio, how many degrees of freedom would be associated with the Chi-square analysis?With regard to the ABO blood types in humans, determine the genotype of the male parent and female parent shown here: Male parent: Blood type B; mother type O Female parent: Blood type A; father type B Predict the blood types of the offspring that this couple may have and the expected proportion of each.
- predict the possiblity of an offspring with a widows peak, a dominant inherited trait affecting the hairline, when both parents are heterozygous for the trait. Would this be 25%, 75%, 100% or 0% the offspring will have a widows peak?Coseder a dyhybrid cross of AaBb with AaBb, how many of the offsprings will breed true: Select one:With regard to the ABO blood types in humans, determine thegenotypes of the male parent and female parent: Male parent: blood type B whose mother was type OFemale parent: blood type A whose father was type B Predict the blood types of the offspring that this couple may have and the expected ratio of each.
- Under what conditions does one expect a 1:1:1:1 ratio?A. heterozygous blue-eyed man is marrying a homozygous brown-ayed woman. Determine the ratio of the following from the offspring. B. Genotype C. PhenotypeThree babies were born in a hospital on the same night, and their blood groups were later found to beO, B, and AB. Complete the Punnett square to cross parents AB x O (using the alleles IA, IB, and i) todetermine the blood type possibilities their off-springs would have. Use the Punnett square informationto determine which baby belongs to them