2. Consider this DNA nucleotide sequence:
ACG GTT CTA GAC
Which mutation will result in a frame shift?
A. substitution of T for the first A in the sequence
B. deletion of GTT from the sequence
C. insertion of C at the start of the sequence
D. substitution of ATA for ACG in the sequence

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

If a checkpoint detects damaged dna, the checkpoint may