The purple spots on colorless background of corn kernels observed by barbara mcclintock were the result of <u>transposition of the Ds elements out of the color gene.</u>
<u></u>
- Extrachromosomal loops that do not adequately mate with their homolog can be used to identify duplications and deletions during meiosis.
<u></u>
<u>What is and example of a gene?</u>
- The definition of a gene is a unit on a chromosome that determines a specific trait in an organism, or a male's name.
- An example of a gene is a chromosome unit that determines a person's eye color.
- An example of a man named Gene is the actor Gene Wilder.
What are the 4 types of genes?
- There are four different chemical types: A, C, T, and G.
- A gene is a segment of DNA composed of an As, Cs, Ts, and Gs sequence.
- Every cell in your body contains about 20,000 of your genes due to how little they are.
Learn more about gene.
brainly.com/question/8832859
#SPJ4
Answer: A
Explanation: PCR help to create multiples of copies, it can produce millions of copies of DNA sequence in a test type in limited or few hours. PCR has revolutionize molecular biology, and it has become an essential tools for biologist, physicians or anyone who really want to work on the DNA.
Options for the question are not given. They are as follows:
a. arg or lys
b. ala
c. thr
d. leu or ser
e. Only termination codons
Answer:
d. leu or ser
Explanation:
Four codons code for proline amino acid. These are CCT, CCC, CCA, and CCG. Hydroxylamine causes C to change into T or G to change into A.
If first position is changed in each codon:
CCT = TCT (UCU)
CCC = TCC (UCC)
CCA = TCA (UCA)
CCG = TCG (UCG)
These codons produce Serine amino acid.
If second position is changed in each codon:
CCT = CTT (CUU)
CCC = CTC (CUC)
CCA = CTA (CUA)
CCG = CTG (CUG)
These codons produce Leucine amino acid.
Hence, out of the given options, option d. leu or ser is correct.
The answer would be B, The weight of the object on planet A will be greater than the weight of the object on planet B.
This is correct because the force of gravity on planet A pushes down on the mass to make it greater
This is also correct because I got it right on my test, hope this helps.