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- The following pedigree shows the pattern of inheritance of red-green color blindness in a family. Females are shown as circles and males as squares; the squares or circles of individuals affected by the trait are filled in black. What is the chance that a son of the third-generation female indicated by the arrow will be color blind if the father is not color blind? If he is color blind?Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?A proband female with an unidentified disease seeks the advice of a genetic counselor before starting a family. Based on the following data, the counselor constructs a pedigree encompassing three generations: (1) The maternal grandfather of the proband has the disease. (2) The mother of the proband is unaffected and is the youngest of five children, the three oldest being male. (3) The proband has an affected older sister, but the youngest siblings are unaffected twins (boy and girl). (4) All the individuals who have the disease have been revealed. Duplicate the counselors feat
- Which of the following is indicated by roman numerals in a pedigree? Generation Presence of the studied trait Sex Marriage statusIn a pedigree chart, an unfilled square symbol with the numbers II3 below it represents which of the following? A person of unknown gender who has a genetic disease in the family being studied. The second individual, who is a male, in the third generation of the family. The third individual, who is male, in the second generation of the family. The second son or daughter in a family of three.The following pedigree traces the inheritance of a certain genetic disease in a family. The circles represent women and the squares represent men. Individuals with darkened shapes have the disease, while individuals with white shapes do not. The lines indicate the relationship between individuals, either through marriage or by birth. Study the chart and then answer the question. How many women have the disease in this pedigree? Five One Four
- A dominant eye color brown eyes and a recessive blue eyes. A woman had a brown eyes whose father had blue eyes and whose mother had brown eyes marries a brown-eyed man whose parents are also brown-eyed. That have a son who is blue-eyed. Draw a pedigree showing all four grand parent, the two parents and the son. And label all the genotypes.Which of the following terms is used to describe the offspring of a cross of two true-breeding parents that differ in one or more traits? Pure line Homozygous Reciprocal HybridIn a cross between two individuals of the genotype AaBb x AaBb, how many of the progeny will have the following genotypes? AABB AaBb Aabb AABb aaBb . Aabb/AaBB
- In the following pedigree of an X-linked recessive trait, what is the likelihood a child will be affected for the following matings? 1 x 2 [___] 13 x 14 [_____] 2 x 14 [_______] 4 x 12. [_______]In flowers, the red color is codominant with the white color If a red flower is crossed with a white flower Predict the offspring genotypes and phenotypes .The pedigree shows individual 1 and 2
