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#Question id: 4580


In modern terminology, diversity is understood to be a result of genetic variation. Sources of variation for evolution include all of the following except

#XL - S Microbiology
  1. mistakes in translation of structural genes.

  2. mistakes in DNA replication.

  3. translocations and mistakes in meiosis.

  4. recombination at fertilization.

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TLS Online TPP Program

#Question id: 4907

#XL - R Botany

Two corn plants are studied. One is resistant (R) and the other is susceptible (S) to a certain pathogenic fungus. The following crosses are made, with the results shown

R male X S female = all S progeny

R female X S male = all R progeny

Which of the following are correct about inheritance?

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#Question id: 4908

#XL - T Zoology

Shell coiling of the snail is maternal effect phenotype control by S gene, where S Dextral is dominant over s sinistral. If snail sinistral coiled shell, which of the following statement is true

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#Question id: 4909

#XL - T Zoology

A pattern of transmission where all offspring have the same phenotype as their mother is consistent with which type of non-Mendelian inheritance?

TLS Online TPP Program

#Question id: 4909

#XL - R Botany

A pattern of transmission where all offspring have the same phenotype as their mother is consistent with which type of non-Mendelian inheritance?

TLS Online TPP Program

#Question id: 4910

#XL - R Botany

For a trait known to be caused by a mitochondrial gene variant, there may be an occasional female that can transmit different phenotypes to her progeny on an apparently random basis. What situation might you suspect?

TLS Online TPP Program

#Question id: 4912

#XL - R Botany

Correns described that the inheritance of variegated color on the leaves of certain plants was determined by the maternal parent only. What phenomenon does this describe?