CSI Lesson 7: Understanding Heredity

My Biodata

A. Tongue-rolling-->No

B. Widow's Peak--> No

C. Cheek dimples-->I have it only on my right cheek so according to the worksheet, that should be considered a "no" :(

D. Earlobe Attachment--> No

E. Curly hair--> No

F. Cleft chin--> No

G. Mid-digital finger hair--> No

H. Right-handedness--> Yes

I. Freckles--> No

Individuality chart number: 15

After doing the questionnaire, 5 other people have the same individuality chart number as me.

Questions:

What is DNA?

It is deoxyribonucleic acid, which is the hereditary material of humans and other organisms. Information in DNA is stored as a code made up of 4 chemical bases: adenine (A), guanine (G, cytosine (C) and thymine (T).

What is a Gene?

Genes are a molecular unit of heredity that determines physical traits of organisms. They act as instructions to make molecules called proteins.

What is a Chromosome?

DNA molecules packaged into thread-like structures in the nucleus of the cell are called chromosomes. It is an organized structure of DNA and protein found in cells, containing genes, regulatory elements and nucleotide sequences.

What is Heredity?

It is the passing of physical or mental characteristics genetically from one generation to another

What is a Trait?

It is a distinguishing characteristic or genetically-determined characteristic.