Genetic mutations are never helpful.

Group of answer choices

True

False

11 answers

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
protein