The frequency of recessive yellow beans resulting from a cross between two heterozygous plants is 25%.
<h3>What are recessive alleles?</h3>
Recessive alleles differ from dominant alleles in not being able to express themselves in heterozygotes. These alleles are only expressed in the phenotype if they are present in pairs, that is, they must be in homozygosity.
With this information, we can conclude that the frequency of recessive yellow beans resulting from a cross between two heterozygous plants is 25%.
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Answer:
the sample of 200 medium ground finches measured in 1976 (Figure 1). The number of individuals has increased to close to the number of birds present in the population before the drought. However, the most common beak depth has increased from 8.8 mm to 9.8 mm .
Let us assign the
recessive allele for freckle to be f and
the dominant F. According to the statement, we deduce that ff = 0.04.
The frequency of the recessive f allele is, therefore, is
0.2 (square root of 0.04 ).
Hardy-Weinburg p + q = 1
P + 0.2 = 1; p = 1- 0.2 = 0.8
Therefore using the Hardy-Weinburg equation of a population
in equilibrium
P2+2pq+q2=1
Heterozygous individuals are;
2pq = 2*0.8*0.2 = 0.32
This is 32% of the population
Answer:
I think the white blood cells since these fight against infections by producing antibodies to neutralize toxic substances,these poisons might be too strong for the white blood cells to neutralize so they end up being damaged.
I hope this helps
