Consider the TCR genes. The α gene has _______ V gene regions than does the γ, and the α
gene has ______ C gene regions than does the β gene.
A: fewer; fewer
B: fewer; the same number
C: more; fewer
D: more; the same number
gene has ______ C gene regions than does the β gene.
A: fewer; fewer
B: fewer; the same number
C: more; fewer
D: more; the same number
举一反三
- Among the following genes, ( ) is the housekeeping gene. A: Ribosomal protein gene B: Hemoglobin gene C: Insulin protein gene D: Ovalbumin gene
- According to the news, how many people use Yiddish worldwide A: Fewer than 50,000. B: More than 50,000. C: Fewer than 500,000. D: More than 500,000.
- which of following do not belong to pathogenic variations of the endogenous genes ( ) A: gene amplification B: abnormal gene expression C: invasion of the foreign genes D: gene arrangement E: point mutation
- 1.以下哪几项属于中度重复序列( ) A: rRNA gene B: tRNA gene C: ncRNA gene D: 组蛋白gene
- If a particular trait had a gene that had a possibility of 9 alleles in the population of a species, which of the following is true regarding this gene? A: The diploid number for the alleles would be 18 for this organism. B: The haploid number for the alleles would be 9 for htis organism. C: The maximum number of alleles for this gene would be 2. D: There is infinite variety in the expression of this trait in one organism.