Indicate the genotype and phenotype for each of the family in Table 1, below. Ta

ID: 101115 • Letter: I

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Indicate the genotype and phenotype for each of the family in Table 1, below. Table1: Family member's genotype and phenotype Finish the Punnett square (Figure 4) using Ryan and Molly's genotype to determine the probability of possible genotypes of their offspring. First, complete the missing information about the parents' genotypes by writing the DMD alleles (D or d) for each sex chromosome. Then fill in each square with the corresponding sex chromosome and DMD allele from each parent to determine the possible genotypes of the children. Mutations Part 2: Lactose Metabolism You have probably heard someone speak about having a restricted diet because they are "lactose intolerant" or maybe you are personally familiar with the condition. Lactose intolerance can take two forms The rare infant lactose intolerance condition, or the more common adult lactose intolerance, Lactose is a sugar (carbohydrate) that can only be digested by the enzyme lactase. In individuals who are lactose intolerant, the enzyme is deformed or absent altogether. If lactose is not digested by enzymes in the digestive tract, it can be digested by bacteria in the large intestine This bacterial digestion can lead to many of the unpleasant effects of lactose intolerance, including diarrhea, bloating, nausea, stomach pain, and flatulence Infants born with intolerance that are fed lactose are vulnerable to weight-loss and dehydration because of the resulting diarrhea. Unlike DMD, the lactose condition is inherited on an autosome, so it is not a sex-linked condition. Typically. babies will produce lactase allowing them to digest lactose in breast milk, then they will gradually stop producing lactase as they transition from infants to adults. This means lactose intolerance should arise in the majority of adults when all genes function normally. However, many adults are able to consume dairy products and digest lactose well into their later

Explanation / Answer

XY -Ryan(normal) ; XX- Carrier Molly

X Y

XX -normal female with DD

XX- Carrier female with Dd

XY- Normal male with DD

XY - Diseased male with dd

X XX XY X XX XY

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Indicate the genotype and phenotype for each of the family in Table 1, below. Ta

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