Aratio of 3: 1 in the phenotype of an organism occurs when
(a) the alleles are incompletely dominant.
(b) only recessive traits are involved.
(c) only dominant traits are involved.
(d) alleles segregate during meiosis.
(e) crossing over has occurred in anaphase ii.

Give an example of a trait that is controlled by more than one gene.

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.

How many chromosomes are in a human gamete?