| 1 |
Identical twins result from the fertilization of: |
- A. One ovum by the sperm
- B. One ovum by the two sperms
- C. Two ova by two sperms
- D. Two ova by one sperm
|
| 2 |
The form of appearance of the trait is called. |
- A. Genotype
- B. Phenotype
- C. Wild type
- D. dominance
|
| 3 |
Expression of a trait is termed as |
- A. Genotype
- B. Phenotype
- C. Dominance
- D. Wild type
|
| 4 |
A dichromate can perceive two primary colours but is unable to perceive the one whose opsins are missing due to |
- A. Metamorphosis
- B. Transmutation
- C. Alteration
- D. Mutation
|
| 5 |
The gene for blue opsin is present on autosome |
|
| 6 |
If a man of M blood group marries a woman of N blood group all their childern will have blood group |
- A. MM
- B. NN
- C. MN
- D. None of these
|
| 7 |
A monochromat can perceive |
- A. Three colours
- B. Yellow colours
- C. Only ane colour
- D. Two colours
|
| 8 |
Genes are located at specific loci on |
- A. Chromatids
- B. Chromosomes
- C. Centromeres
- D. Homologues
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| 9 |
The gens found in a breeding population constitute. |
- A. Genotype
- B. Genome
- C. Gene frequency
- D. Gene pool
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| 10 |
The most important hormone in initiating and maintaning lacation after birth is: |
- A. Estrogen
- B. FSH
- C. Prolatin
- D. Oxytocin
|