| ⇦ | 
| ⇨ |
Human chromosome number was determined correctly by
Options
(a) Landsteiner
(b) Moorehead
(c) Tijo and Levan
(d) J.L. Hamerton
Correct Answer:
Tijo and Levan
Explanation:
Tijo and Levan in the year 1956 determined the human chromosome number correctly. In human beings there are 23 pairs of chromosomes of which 22 pairs are autosomes and 1 pair is of sex-chromosomes. The autosomes are homologous while the sex-chromosomes are same in females (XX) but different in males (XY). Sex-chromosomes are also called heterosomes or allosomes.
Related Questions: - Uric acid is the cheif nitrogenous component of the excretory products of
- Connecting link between Annelida and Mollusca
- The chromosomes in which centromere is situated close to one end are:
- Mutation cannot explain
- An antibody is a
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Uric acid is the cheif nitrogenous component of the excretory products of
- Connecting link between Annelida and Mollusca
- The chromosomes in which centromere is situated close to one end are:
- Mutation cannot explain
- An antibody is a
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply