Home › UP Board Class 10 › science › c10heredity › Humans have how many pairs of chromosomes in eac…
Humans have how many pairs of chromosomes in each somatic cell?
A46 pairs (92 chromosomes total)
B23 pairs (46 chromosomes total)
C22 pairs (44 chromosomes total)
D48 pairs (96 chromosomes total)
Answer & Solution
Correct answer: B. 23 pairs (46 chromosomes total)
Humans have 23 PAIRS of chromosomes (46 total): 23 from the mother, 23 from the father. One pair (XX or XY) determines sex; the other 22 pairs are autosomes.
Related questions
Which of the following is an ACQUIRED trait that does NOT pass to offspring?The chapter emphasises that the sex of a child is determined by:In human SEX DETERMINATION, the FATHER contributes:In a Mendel DIHYBRID cross (two pairs of traits), the F2 phenotype ratio is:In a Mendel MONOHYBRID cross, the F2 generation shows the phenotype ratio of:When a pure TALL pea plant (TT) is crossed with a pure DWARF pea plant (tt), the F1 generaThe Austrian monk who founded the science of genetics through his pea-plant experiments wa