The false statement about the genetic code is "b. it uses only one codon for each amino acid.
" The genetic code is degenerate, meaning that more than one codon can specify the same amino acid. For example, the amino acid leucine is specified by six different codons (CUU, CUC, CUA, CUG, UUA, UUG). However, each codon specifies only one amino acid. The genetic code is also nearly universal, meaning that the same codons specify the same amino acids in almost all living organisms.
Additionally, the genetic code is triplet, with each codon consisting of three nucleotides. This allows for the 64 possible combinations of codons that can specify the 20 different amino acids used to make proteins. The specificity of the genetic code ensures that the correct amino acids are assembled in the correct order during protein synthesis.
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which of the following statements is true with respect to the genetic risk of cancer? group of answer choices an individual's risk of developing cancer is influenced by genetic as well as environmental and lifestyle factors. hodgkin's disease is directly caused by exposure to radiation and is not linked to heredity. scientists think that the majority of cancer types are hereditary. women who inherit the brca1 or brca2 genes will develop breast cancer by age 50.
An individual's risk of developing cancer is influenced by genetic as well as environmental and lifestyle factors is true with respect to the genetic risk of cancer. Option (1)
Cancer cannot be inherited by a kid from a parent. Moreover, tumor cell genetic alterations are not transmissible. Yet, if a genetic alteration that raises the risk of cancer is found in a parent's sperm or egg cells, it can be passed down (inherited).
What exactly is a cancer risk gene?The p53 or TP53 gene is the one that is most frequently altered in cancer patients. Almost 50% of tumors have a defective or absent p53 gene. Most mutations in the p53 gene are acquired. Although germline p53 mutations are uncommon, those who have them have an increased chance of developing a wide range of cancers.
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which of the following statements is true with respect to the genetic risk of cancer? group of answer choices
an individual's risk of developing cancer is influenced by genetic as well as environmental and lifestyle factors. hodgkin's disease is directly caused by exposure to radiation and is not linked to heredity. scientists think that the majority of cancer types are hereditary. women who inherit the brca1 or brca2 genes will develop breast cancer by age 50.6) Meiosis accomplishes all of the following EXCEPT
A) gamete production.
B) reduction of chromosome number (from 2n to n).
C) providing genetic variation in sexually reproducing organisms.
D) growth and repair.
Expansion and repair Meiosis, a specific type of cell division, is the process through which gametes, which have half as many chromosomes as the parent cell, are produced in sexually reproducing organisms.
Which does not occur during meiosis?common mistakes and misunderstandings. Interphase does not occur during meiosis. Despite the fact that a cell must pass through interphase in order to enter meiosis, interphase is not considered to be a part of meiosis.
What is produced as a result of meiosis?Contrarily, meiosis is a unique type of cell cycle that results in the formation of haploid daughter cells by cutting the number of chromosomes in half.
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What is the principle role of DNA?
A: carry the genetic code
B: keep a spiral helix shape
C: provide energy for the cell
D: remove harmful wastes
Explanation:
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material found in all living organisms.