QQuestionBiology
QuestionBiology
Which of the following differentiates between the principle independent assortment and theprinciple of segregation?
a)The principle of independent assortment is accounted for by events in prophase I while the principle of segregation is accounted for by events in metaphase I.
b)The principle of segregation explains the inheritance of recessive traits while the principle of independent assortment explains the inheritance of dominant traits.
c)The law of segregation requires describing two or more genes relative to each otherwhile the law of independent assortment requires describing two alleles relative to eachother.
d)The principle of independent assortment requires describing two or more genes relative to each other while the law of segregation requires describing two alleles relative to each other.
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Answer
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Step 1:
Let's break down each statement and analyze the differences between the principle of independent assortment and the principle of segregation.
Step 2::
The principle of independent assortment is accounted for by events in prophase I while the principle of segregation is accounted for by events in metaphase I. - This statement is correct. The principle of segregation refers to the separation of homologous chromosomes during meiosis I, while the principle of independent assortment refers to the random distribution of paternal and maternal chromosomes to the secondary spermatocytes or oocytes during prophase I of meiosis.
Step 3::
The principle of segregation explains the inheritance of recessive traits while the principle of independent assortment explains the inheritance of dominant traits. - This statement is incorrect. Both principles are responsible for the inheritance of traits, regardless of whether they are dominant or recessive. These principles simply describe how genes and their alleles separate and combine during meiosis, which ultimately influences the genetic makeup of the offspring.
Step 4::
The law of segregation requires describing two or more genes relative to each other while the law of independent assortment requires describing two alleles relative to each other. - This statement is a bit confusing. The term "law" is not typically used in genetics, and it is not necessary to describe genes or alleles relative to each other when discussing these principles. However, the first part of this statement is partially correct. The principle of segregation deals with the separation of homologous chromosomes, which can involve multiple genes. The principle of independent assortment, on the other hand, deals with the random distribution of chromosomes, which involves pairs of alleles.
Step 5::
The principle of independent assortment requires describing two or more genes relative to each other while the law of segregation requires describing two alleles relative to each other. - This statement is incorrect. The principle of independent assortment deals with the random distribution of chromosomes, which involves pairs of alleles. The principle of segregation deals with the separation of homologous chromosomes, which can involve multiple genes.
Final Answer
a) The principle of independent assortment is accounted for by events in prophase I while the principle of segregation is accounted for by events in metaphase I. This statement correctly differentiates between the two principles.
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