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They do not carry the sickle cell allele, a. Individuals that are heterozygous have the advantage of being more resistant to malaria than homozygous dominant individuals, but are not affected by the disease.

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AAA AAA what are the possible genotypes and phenotypes os their children?

If the parents both have the genotype Aa, their children could have the genotypes AA, Aa, or aa. The possible phenotypes for their children would be individuals with type A blood (AA or Aa genotype) or type O blood (aa genotype).


In which of the simulated environments do individuals of the genotype Aa survive best?

Individuals of the genotype Aa survive best in the environment where the abiotic factors and biotic interactions favor heterozygosity. This can occur when there is a balance between selective pressures that benefit both homozygous genotypes AA and aa.


What is the frequency of genotype AA if the frequencies of AA?

If the frequency of genotype AA is p^2, where p is the frequency of allele A, then the frequency of genotype AA would be p^2.


Albinism is a recessive trait what is the only genotype that would express albinism?

Albinism is expressed only in individuals with the homozygous recessive genotype, represented as "aa." This means that both alleles for the trait must be the recessive form for the characteristic to manifest. Individuals with at least one dominant allele ("AA" or "Aa") will not express albinism.


Can parent with as and AA genotype give birth to ac genotype?

No, a parent with AS and AA genotype cannot give birth to a child with AC genotype. The parent can only pass on either the A allele or the S allele to their child, resulting in genotypes of either AA or AS.


What is the genotype of pure lines?

The genotype of pure lines refers to individuals that are homozygous for a particular trait, meaning they carry the same alleles for that trait. For example, in a pure line of plants, all individuals would have the same genotype for a specific gene, such as AA or aa. This genetic uniformity is desired in breeding and research to study the effects of specific alleles.


What is the percent probability that one child of a mother with the genotype AAA and a father with the genotype AAA will have the genotype AAA?

50% AA and 50% Aa


Can an AA and SS combination produce an SS genotype?

No because AA and SS create the genotype AS :)


Which population in the hardy- weinberg equilibrium will become increasingly smaller if homozgotes selectively mate with individuals of the same genotype?

Heterozygotes. If AA X AA, or AA X AA, is all the mating allowed, then Aa will lose frequency in the population.


What phenotype is produced by AA genotype?

The AA genotype typically produces the phenotype associated with the dominant allele A. This means that the dominant trait will be expressed in the individual with this genotype.


If the male parent has the genotype AAA and the female parent has the genotype AAA offsprings genotype will be?

The offspring's genotype will be AA. Both parents are homozygous dominant, AA, having only dominant alleles to pass on to their offspring. So each parent can pass on only the dominant allele (A) to its offspring. So the offspring will also be homozygous dominant, AA.


If you cross f1 with another f1 what is the genotype and phenotype do you expect in F2 generation?

When you cross two F1 individuals (both being heterozygous for a trait, for example, Aa), the expected genotype ratio in the F2 generation would be 1 AA : 2 Aa : 1 aa. The phenotype ratio, assuming A is dominant over a, would typically be 3 dominant phenotype (AA and Aa) to 1 recessive phenotype (aa). Therefore, you would expect three individuals displaying the dominant trait for every one individual displaying the recessive trait in the F2 generation.