TLS Online TPP Program

#Question id: 28917


Find out the correct match of Vertebrates hedgehog gene with their characteristics;

 hedgehog gene characteristics
 I- Sonic hedgehog (shh) (a) It is found in the Sertoli cells of the testes
 II- desert hedgehog (dhh) (b) It is expressed in the gut and cartilage and is important in postnatal bone growth 
 III- indian hedgehog (ihh) (c) It is an essential for normal patterning of the limbs

#Unit 4. Cell Communication and Cell Signaling
  1. I-b, II-c, III-a
  2. I-a, II-b, III-c
  3. I-c, II-a, III-b
  4. I-c, II-b, III-a
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TLS Online TPP Program

#Question id: 3552

#Unit 8. Inheritance Biology

In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Which of the following genotype would produce 25 % color seeded plant, When cross with Aaccrr?

TLS Online TPP Program

#Question id: 3553

#Unit 8. Inheritance Biology

Diploid cell genotype AaBb undergoes meiosis that generates new combinations of alleles by which mechanism when gene A and B located on the same chromosome?  

TLS Online TPP Program

#Question id: 3554

#Unit 8. Inheritance Biology

The diploid cell with 6 pairs of chromosomes can divide. How many possible different combinations of maternal and paternal chromosomes in metaphase?

TLS Online TPP Program

#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?

TLS Online TPP Program

#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?

TLS Online TPP Program

#Question id: 3557

#Unit 8. Inheritance Biology

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