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Question about Genetic: Medel's Laws

Biology

Originais Teachy

Genetic: Medel's Laws

Hard

(Originais Teachy 2023) - Question Hard of Biology

In a genetics laboratory, researchers investigate the inheritance of albinism, a recessive condition, in a certain population of rabbits. In one of the studied families, a pair of rabbits, both heterozygous for albinism, produced a litter of eight offspring. Surprisingly, all the offspring had normal coloration. Based on your knowledge of Mendel's first law and basic genetics, explain how it is possible for two heterozygous rabbits for a recessive trait to produce a litter without any individuals with the recessive phenotype? Additionally, what kind of prediction could be made for the next generation of offspring if the pair of rabbits continued to reproduce? How do these predictions and the observation of the current litter fit into the understanding of the scientific method and critical thinking in genetics?
a.
It is impossible for two heterozygous rabbits for a recessive trait to produce a litter without any individuals with the recessive phenotype. If the pair of rabbits continued to reproduce, the prediction would be that all the offspring would be albinos. These predictions and observations fit into the understanding of the scientific method and critical thinking in genetics.
b.
It is possible for two heterozygous rabbits for a recessive trait to produce a litter without any individuals with the recessive phenotype due to the deterministic nature of genetic inheritance. If the pair of rabbits continued to reproduce, the prediction would be that none of the offspring would be albino. These predictions and observations fit into the understanding of the scientific method and critical thinking in genetics.
c.
Two heterozygous rabbits for a recessive trait will always produce a litter with at least one individual with the recessive phenotype. If the pair of rabbits continued to reproduce, all the offspring would be albinos. These predictions and observations do not fit into the understanding of the scientific method and critical thinking in genetics.
d.
It is possible for two heterozygous rabbits for a recessive trait to produce a litter without any individuals with the recessive phenotype due to the probabilistic nature of genetic inheritance. If the pair of rabbits continued to reproduce, the prediction would be that 100% of the offspring would be albinos. These predictions and observations fit into the understanding of the scientific method and critical thinking in genetics.
e.
It is possible for two heterozygous rabbits for a recessive trait to produce a litter without any individuals with the recessive phenotype due to the probabilistic nature of genetic inheritance. If the pair of rabbits continued to reproduce, the prediction would be that approximately 25% of the offspring would be albinos. These predictions and observations fit into the understanding of the scientific method and critical thinking in genetics.

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