| 1 |
RH blood group system is named after. |
- A. Discoverer
- B. Rhesus monkey
- C. Rhinoceros
- D. a patient
|
| 2 |
A clear picture of the genetic basis of sex determination emerged after the discovery of |
- A. Autosomes
- B. X chromosomes
- C. Sex chromosomes
- D. Y chromosomes
|
| 3 |
Human skin colour is controlled by gene pairs. |
- A. Two to four
- B. Three to six
- C. Four to six
- D. Six to ten
|
| 4 |
The most important hormone in initiating and maintaning lacation after birth is: |
- A. Estrogen
- B. FSH
- C. Prolatin
- D. Oxytocin
|
| 5 |
In cats the dominant allele W not only makes pure white but also causes |
- A. Black spots
- B. Brown spots
- C. Deafness
- D. Blindness
|
| 6 |
Genes are located at specific loci on |
- A. Chromatids
- B. Chromosomes
- C. Centromeres
- D. Homologues
|
| 7 |
Protonopia is |
- A. Red blindness
- B. Blue blindness
- C. Green blindness
- D. Brown blindness
|
| 8 |
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
|
| 9 |
Blue cone monochrome may is an X linked trait is which. |
- A. Red cone cells are absent
- B. Green cone cells are absent
- C. Both red and green cone cells are absent
- D. Blue cone cells are absent
|
| 10 |
Percentage of its recombination frequency. |
|