Heredity

Front

Which sentence is FALSE? Options: All organisms have 23 pairs of DNA., Chromosomes are made of genes., DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine, DNA is the recipe for life.

Back

All organisms have 23 pairs of DNA.

Front

The traits of an organism are passed to its offspring on small coded strands of DNA material called

Back

genes

Front

True or False? A tightly wound bundle of DNA is a chromosome.

Back

True

Front

True or False? The passing of traits from one parent to offspring is heredity.

Back

True

Front

How many DNA molecules make up a chromosome?

Back

1

Front

What best describes a DNA molecule?

Back

double helix

Front

Which units are repeatedly joined to form a strand of DNA? Options: amino acids, nucleotides, fatty acids, polysaccharides

Back

nucleotides

Front

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of: cytosine, guanine, thymine, uracil

Back

thymine

Front

Adenine bonds with ______________.

Back

Thymine

Front

Guanine bonds with ______________. Options: Adenine, Guanine, Cytosine, Thymine

Back

Cytosine