TLS Online TPP Program

#Question id: 18392


How Deinococcus radiodurans are naturally resistant to quite high levels of ionizing radiation

#SCPH28 | Zoology
  1. Due to high mutation rate which changes the organism variant
  2. Due to high transcription rate
  3. Due to high DNA repair processes that are exceptionally effective at repairing DNA damage
  4. Due to high apoptosis rate in bacteria
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TLS Online TPP Program

#Question id: 4735

#SCPH12 I Genetics

In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Genotype A/–; C/– ; R/– is colored; all others are colorless. A colored plant AaCCRr is crossed with colorless plant aaCcRr. What proportional of offspring plant with colorless seed?

TLS Online TPP Program

#Question id: 4735

#SCPH28 | Zoology

In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Genotype A/–; C/– ; R/– is colored; all others are colorless. A colored plant AaCCRr is crossed with colorless plant aaCcRr. What proportional of offspring plant with colorless seed?

TLS Online TPP Program

#Question id: 4736

#SCPH01 Biochemistry

A snapdragon plant that bred true for white petals was crossed to a plant that bred true for purple petals, and all the F1 had white petals. The F1 was selfed. Among the F2, three phenotypes were observed in the following numbers

white                              240

solid-purple                    61

spotted-purple                19

Total                              320

Which of the following reason to deviation f2 phenotype ratio ?

TLS Online TPP Program

#Question id: 4736

#SCPH06 I Botany

A snapdragon plant that bred true for white petals was crossed to a plant that bred true for purple petals, and all the F1 had white petals. The F1 was selfed. Among the F2, three phenotypes were observed in the following numbers

white                              240

solid-purple                    61

spotted-purple                19

Total                              320

Which of the following reason to deviation f2 phenotype ratio ?

TLS Online TPP Program

#Question id: 4736

#SCPH12 I Genetics

A snapdragon plant that bred true for white petals was crossed to a plant that bred true for purple petals, and all the F1 had white petals. The F1 was selfed. Among the F2, three phenotypes were observed in the following numbers

white                              240

solid-purple                    61

spotted-purple                19

Total                              320

Which of the following reason to deviation f2 phenotype ratio ?

TLS Online TPP Program

#Question id: 4736

#SCPH28 | Zoology

A snapdragon plant that bred true for white petals was crossed to a plant that bred true for purple petals, and all the F1 had white petals. The F1 was selfed. Among the F2, three phenotypes were observed in the following numbers

white                              240

solid-purple                    61

spotted-purple                19

Total                              320

Which of the following reason to deviation f2 phenotype ratio ?