Assertion (A) Polytene chromosomes have a high amount of DNA. Reason (R) Polytene chromosomes a...

Channel:
PW Solutions
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=qZy8o7OOE1E


Duration: 3:42
2 views
0

Assertion (A) Polytene
chromosomes have a high amount of DNA.

Reason (R) Polytene chromosomes are formed by repeated replication of chromosomal DNA without separation of chromatids. AlMS 2006
(a) Both \( A \) and \( R \) are true and \( R \) is the correct explanation of \( A \)
(b) Both \( A \) and \( R \) are true, but \( R \) is not the correct explanation of \( \mathrm{A} \)
(c) \( A \) is true, but \( R \) false
(d) Both \( \mathrm{A} \) and \( \mathrm{R} \) are false
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-27Match the following columns. \begin{tabular}{lrl} & \multicolumn{1}{c}{ Column I } & \multicolu...
2022-10-27Give a brief account of discovery of the cell.
2022-10-27Explain the role oforkers in a bee colony.
2022-10-27Which of the following match is correct? \( \quad \) UP CPMT 2010 (a) Independent assortment- Se...
2022-10-27What is exocytosis?
2022-10-27Write down names of three types of endocytosis.
2022-10-27How bee colonyorks ? What values can be seen in the organisation of bee colony?
2022-10-27Branching habit of sunflower plant is a ...... character. (a) recessive (b) dominant (c) Both (a...
2022-10-27Which of the following is true regarding human genetics? (a) Most characters are controlled by o...
2022-10-27A sterile female having reduced mental ability is said to be suffering from JIPMER 2005 (a) Tur...
2022-10-27Assertion (A) Polytene chromosomes have a high amount of DNA. Reason (R) Polytene chromosomes a...
2022-10-27Turner's syndrome in humans is caused by \( \quad \) UP CPMT 1990 (a) autosomal aneuploidy (b) s...
2022-10-27What is artificial insemination ? Describe this technique.
2022-10-27Consider the following statements. I. Short statured with small round head. II. Tongue is furrow...
2022-10-27Turner's syndrome was first discovered by (a) JL Down (b) Huntington (c) HH Turner
2022-10-27Which of the following occurs due to monosomy of sex chromosome? AIIMS 2014 (a) Down's syndrome ...
2022-10-27Write down the desirable characters of bee variety suitable for bee keeping.
2022-10-27The person with Turner's syndrome has (a) 45 autosomes and \( \mathrm{X} \) sex chromosome (b) 4...
2022-10-27Which is correct for Turner's syndrome? \( \quad \) AMU 2012 (a) It is a case of monosomy (b) It...
2022-10-27Down's syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring...
2022-10-27Freqeuency of Down's syndrome increases when the maternal age is (a) above 35 years Odisha JEE 2...


Tags:
pw