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baherus [9]
3 years ago
11

Explain how the work done by rosalind franklin and maurice wilkins helped inform watson and cricks model of the structure of dna

Biology
1 answer:
strojnjashka [21]3 years ago
3 0
Rosalind Franklin and Maurice Wilkins conducted experiments using X-ray crystallography to study the structure of the DNA. Their experiments produced the famous photo 51, the first evidence on the structure of the DNA. Their work showed that DNA is double-stranded and forming a helix. They also showed that the nitrogenous bases are on the inside of the strands and that the phosphates are on the outside. Watson and Crick used these observations to develop their model on the molecular structure of the DNA. 
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In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele for white is
Agata [3.3K]

Answer:

The question is incomplete, it lacks the main questions, those questions are:

a. What is the genotype for black chickens?

b. What is the genotype for white chickens?

c. What is the genotype for erminette chickens?

Explanation:

This question involves a gene coding for feather colour in some birds, in which the black allele (B) and white allele (W) is involved. According to the question, the gene coding for feather colour exhibits co-dominance i.e. both the black (B) and white (W) allele are expressed in a heterozygous state (BW) to form an erminette phenotype.

Hence, if the neither alleles is dominant or recessive over the other. The black phenotype will only be expressed when the genotype is BB.

The white phenotype will only be expressed when the genotype is WW

The combination of both alleles which results in the simultaneous expression of both in the erminette phenotype, will be BW genotype.

8 0
3 years ago
Proteins have a variety of functions within a living cell. What are the possible functions of proteins,and how can proteins be s
Vikentia [17]

Answer:

rebuilding of body tissues

Explanation:

protein can diverse when it converted to amino acid,

3 0
3 years ago
Read 2 more answers
What is the relationship between mitosis and cell division
Orlov [11]
<span>Mitosis is the usual method of cell division, characterized typically by the resolving of the chromatin of the nucleus into a threadlike form, which condenses into chromosomes, each of which separates longitudinally into two parts, one part of each chromosome being retained in each of two new cells resulting from the original cell.
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</span>
6 0
3 years ago
Please help me solve these questions​
Monica [59]

Answer:  7:A

8:C

9:D

10:B

Mendels First Law: The law of segregation. During gamete formation each member of the allelic pair seperates from the other member to form the gentic consittution og the gamete.

Transcription: Is the process by which the information in a strand of DNA is copied into a new molecule of RNA.

Explanation: I checked most of them online. Im not too sure if 9 is D but it is my best guess.

4 0
2 years ago
GUYS HELP ME FAST ASAP Which of the following ARE decomposition reactions. Check all that apply. A. 2SO3(g)⇒2SO2(g)+O2(g). B. K2
muminat

Answer: A. 2SO3(g)⇒2SO2(g)+O2(g). butt i mean give me 5 more points

Explanation:

3 0
2 years ago
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