The inheritance of traits can be traced by geneticists through:
a.
karyotypes
c.
phenotypes
b.
pedigrees
d.
genotypes

The correct answer is letter B. pedigrees

Explanation:  Pedigree is the name given to the pedigree diagram of a domestic animal or person, in which case it is also known as a family tree and can be used for genetic counseling.

B Pedigrees

Explanation:

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new communications technology has affected the way social movements are organized because nowadays, social movements rely on social networks and the media to get different people with a similar way of thinking in contact, and thus, get them to mobilize for a greater cause.

individuals only participate in collective action when they feel identified with it. is in this aspect that social media becomes relevant, because it guarantees communication among all individuals and organizes the social actions that are going to be carried out, i.e., the social movements.

in addition, being covered by the media is important to validate the message and make it relevant in the social agenda, as well as to reach more people who can share interests, appealing to public sympathy for their cause.

in conclusion, it is by social networks and social media that social movement is given birth; by connecting different individuals with similar ideas and organizing them to mobilize for a greater cause.

the density would be a smaller number.