# The allele for the hair pattern widow's peak is dominant. In a population of 1000 individuals, 510 show the dominant phenotype. How many individuals would you expect of each of the possible 3 genotypes for this trait? How do you answer this?

For the homozygous dominant genotype there will be

To respond to this, apply the Hardy-Weinberg Equation.

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Consequently, you have

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For a dominant trait, the genotypes can be DD (homozygous dominant) or Dd (heterozygous dominant). The frequency of the dominant allele (D) is calculated using the given dataFor a dominant trait, the genotypes can be DD (homozygous dominant) or Dd (heterozygous dominant). The frequency of the dominant allele (D) is calculated using the given 510 dominant individuals / 1000 total individuals = 0.51. The square root of this frequency gives the proportion of homozygous dominant individuals (DD), and the remaining proportion represents heterozygous dominant individuals (Dd). Calculate the expected numbers accordingly.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- What is the probability that the son will be a carrier of the recessive allele?
- If the frequency of a dominant phenotype in a stable population is 75%, the frequency of recessive allele in that population would be how much? a. 0.375 b. 0.25 c. 0.75 d. 0.50
- If my dad has the AB blood group, my mom has the O blood group. What blood group will I be? A, B or AB?
- What is the probability that all four are normal? That three will be normal and one albino? Two normal and two albino? One normal and three albino? All four albino?
- What is represented by a pair of lowercase letters, such as tt, in a Punnett square?

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