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#Question id: 16124


Thermoreceptors are:
a) activated only by severe cold or severe hot
b) located on the superficial layers of the skin
c) a subtype of nociceptors
d) on dendritic endings of A delta fibres and C fibres
which of following combination is correct?

#Unit 7. System Physiology – Animal
  1. a and b
  2. a, b and c
  3. a and d
  4. a, b, c and d
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#Question id: 3555

#Unit 8. Inheritance Biology

In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics assort independently. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is cross with the heterozygous for bitter and no spots, what phenotypes ratio are expected in the offspring?

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#Question id: 3556

#Unit 8. Inheritance Biology

Flower color in plant follows incomplete dominance. Cross between AA and aa results all F1 offspring are uniform were allowed to cross with AA genotype. What will be phenotype ratio?

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#Question id: 3557

#Unit 8. Inheritance Biology

What was the most significant conclusion that Gregor Mendel drew from his experiments with pea plants?

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#Question id: 3558

#Unit 8. Inheritance Biology

Cystic fibrosis (CF) is a Mendelian disorder in the human population that is inherited as a recessive. Normal parents have two children with CF. The probability of their next child being normal son for this characteristic.

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#Question id: 3559

#Unit 8. Inheritance Biology

Homozygous yellow was crossed with green seed plant. All F1 offspring having yellow seed plant were allowed to self fertilization to produced F2 plant. Further F2 plant self fertilized. What is phenotype ratio in F3 generation?

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#Question id: 3560

#Unit 8. Inheritance Biology

During which phase of meiosis does the segregation described by Mendel primarily occur?