Question
Biology Question on Genetics and Evolution
Select the incorrect statement:
A
Chromosome 1 has the most genes and chromosome Y has the fewest.
B
Chromosome 21 has the most genes and chromosome Y has the fewest.
C
Less than 2 percent of the genome codes for proteins.
D
The functions of over 50 percent of discovered genes are unknown.
Answer
Chromosome 21 has the most genes and chromosome Y has the fewest.
Explanation
Solution
Chromosome 1 contains the most genes, whereas chromosome Y has the fewest. Chromosome 21 has one of the fewest gene counts among human chromosomes. The statement that chromosome 21 has the most genes is incorrect.