[saraya]

سلام ابغى مساعدة منكم في حل بعض أسئلة الوراثة
. Where is the messenger RNA synthesized in a cell?
a. nucleus
b. mitochondria
c. ribosome


A ____ mutation originates during meiosis while a ____ mutation originates during mitosis.
A) germinal, somatic
B) germinal, spontaneous
C) somatic, germinal


If a frameshift mutation causes a stop codon to be inserted into the DNA sequence
a)the resulting protein will not be affected
b)the phenotype will change but not the genotype
c)the resulting protein will be too short and non-functional

57- Any agent that can cause a change in DNA is called a _______.
a. gene
b. chromosome
c. ribosome
d. mutagen

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