The geneticist who discovered the white eye mutation in drosophila and helped establish that genes are carried on chromosomes was Thomas Hunt Morgan.
Thomas Hunt Morgan One landmark of modern genetics can be dated to January 1910, when Thomas Hunt Morgan discovered a male of Drosophila melanogaster with white eyes.
What is genetics?
- The study of genes and heredity.
- Heredity is the passing of genetic information and traits from parents to offspring.
- Genetics is the study of genes and tries to explain what they are and how they work.
- children usually look like their parents because they have inherited their parent's genes.
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during exercise accomplished there is increased muscle perfusion
Arterioles dilate during exercise in reaction to adrenaline and norepinephrine released by the adrenal medulla and sympathetic nerves. Precapillary sphincters, which are not innervated, dilate in response to lactic acid, CO2, and adenosine.
During vigorous activity, blood flow through the muscles can rise more than 20-fold, requiring blood to be diverted from other organs such as the digestive tract and kidneys to satisfy the needs of the working muscles. Muscular contraction constricts blood vessels and obstructs flow.
Muscle perfusion was measured as an index of blood volume at rest using a diffusion-weighted MRI methodology and analysis approach developed in our lab.
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Using numerous tissue cultures will facilitate individuals perceive however cancer works, however it spreads, however it is attacked and eventually overwhelmed. Scientists will experiment with them while not being afraid that one thing can happen to the patient since they would not be victimization actual cancer patients, however rather a bit of tissue in a very research lab.
Answer:
Rose's classmate Mina observing Daphnia in water at 30°C, 32°C, and 34°C.
The rank from most likely to least likely of the one-base point mutations will be: (B) 4, 3, 2, 1
4. deletion mutation within the first exon of the gene.
3. substitution mutation at the second position of a codon in an exon.
2. substitution mutation at the third position of a codon in an exon.
1. insertion mutation deep within an intron.
Insertion mutation can affect the structure but only when present in the axon. Deletion mutation can change the whole reading frame pf the m-nucleotide sequence.
Substitutions can at maximum change one amino acid in the reading frame as one amino acid will be replaced by another. And if the substitutions is at the third place of the codon triplet, chances are that the amino might not even change as one amino acid are coded by more than pone codons.
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