Increasing specialization of structure and function among animals of the same class and order for survival in new and different environments is called?
A. adaptive radiation B. phylogeny C. homology D. analogy E. ontogeny Correct Answer: Option A – adaptive radiation
A man with blood group A (TAP) married a woman with blood group O (pp). Which of the following is the probable ratio of the blood groups of the offspring?
A. 1:1 B. 3:1 C. 2:1:1 D. 1:2:1 E. 4:1 Correct Answer: Option A – 1:1If a cross is made between a pure-breeding red flowered plant and a pure-breeding white flowered plant where R is dominant for red flower and r is recessive for white, the most likely result of F generation will be?
A. 75% red flowers and 25% white flowers B. all red flowers C. 75% white flowers and 25% red flowers D. 50% red flowers and 50% white flowers E. all white flowers Correct Answer: Option B – all red flowers
The haploid number of chromosomes in man is?
A. 48 B. 46 C. 42 D. 24 E. 23 Correct Answer: Option E – 23Products
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