What is an “Obligate Allele”? Question 1 options:

1)

An allele that is required to be in a profile to determine someone’s ethnicity.

2)

An allele that is required to be in a parent’s profile to determine paternity.

3)

An allele that should to be in a profile but is not required.

4)

An allele that is required to determine a match.

5)

A set of alleles that are required to be passed on the all siblings.

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.