Cell walls are made out of cellulose and they give a sturdy structure to the cells (if you notice they have a rectangular shape)
gene for temperature regulation, gene for production of nails, gene for production of fur. these should be the answer because the chart shows them as having the same size and color alleles, which should make them homozygous and dominant.
This is the law of dominance in genetics. The dominant allele will mask the effects of the
recessive allele and therefore will be the visible trait of the phenotype. Most often, the dominant allele codes for functional proteins, while the recessive does not code for functional proteins. Dominance in genetics is
significant in Mendelian inheritance.
Answer:
A. It is a source of genetic variation
one! i wish you good luck on your test/assignment <3