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TLS Online TPP Program

#Question id: 1993

When antibodies attack antigens, clumping of the affected cells generally occurs. This is best explained by

#Section 2: General Biology

  1. the shape of the antibody with at least two binding regions.

  2. disulfide bridges between the antigens.

  3. complement that makes the affected cells sticky.

  4. bonds between class I and class II MHC molecules.

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TLS Online TPP Program

#Question id: 3513

#Section 3: Genetics, Cellular and Molecular Biology

RR- red, Rr- pink, rr- white flower color in plant. Pink flower plant allowed to repeated self fertilization up 3 generation. The proportional of pink flower is 
TLS Online TPP Program

#Question id: 3514

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following are not conclude of that monohybrid cross?
TLS Online TPP Program

#Question id: 3515

#Section 3: Genetics, Cellular and Molecular Biology

What proportional of F2 round seeded plant would produce all round plant after self fertilization?
TLS Online TPP Program

#Question id: 3516

#Section 3: Genetics, Cellular and Molecular Biology

Cross allowed between pure line tall plant with pure line dwarf plant , all F1 having tall phenotype were allowed to self to produced  200 plant The number of F2 plant having pure line tall phenotype?
TLS Online TPP Program

#Question id: 3517

#Section 3: Genetics, Cellular and Molecular Biology

The following two genotypes are crossed: AaBbCcddX AabbCcDd. What will number of different genotypes among the progeny of this cross?
TLS Online TPP Program

#Question id: 3518

#Section 3: Genetics, Cellular and Molecular Biology

Assume that the trihybrid cross AA BB rr X aa bb RR is made in a plant species in which A and B are dominant but there is incomplete dominance between R and r. Consider the F2 progeny from this cross, and assume independent assortment. The phenotypes appear in this F2 progeny?