Genetic mutations are never helpful.
Group of answer choices
True
False
False
A chromosome is ...
Group of answer choices
a threadlike structure within a cell’s nucleus that contain DNA that is passed from one generation to the next
double helix
any change in the DNA of a gene
a sequence of DNA that determines a trait
a threadlike structure within a cell’s nucleus that contain DNA that is passed from one generation to the next
The DNA structure is called a ...
Group of answer choices
double tetris
two sided stairs
double helix
double window
Flag question: Question 4
double helix
In what cell structure is the DNA found?
Group of answer choices
cell membrane
nucleus
mitochondria
chloroplast
nucleus
How many chromosomes does each human body cell have? _________________
Group of answer choices
50
24
23
46
46
A mutation could cause an incorrect _______________________ to be produced.
Group of answer choices
nucleus
carbohydrate
phosphate
protein