GENETIC INFORMATION

The diagram represents a nucleotide.  Identify the structure labeled B.

• amino acid

• deoxyribose

• nitrogen base

• phosphate group

How many strands does DNA have?

• 1

• 2

• 3

• 4

Human females have __________ for their sex chromosomes.

• XX

• XY

• ZW

• ZZ

DNA contains the instructions for building __________ .

• ATP molecules

• glucose molecules

• lipids

• proteins

Tags

NGSS.HS-LS1-1

__________ = an alternative form of a gene

• allele

• altergene

• genotype

• mutation

In the structure of DNA, which nitrogen base always pairs with adenine?

• adenine

• cytosine

• guanine

• thymine

There are __________ total chromosomes in human body cells.

• 4

• 23

• 46

• 92

Using the chart, how many autosomes do dogs have if they have two sex chromosomes?

• 2

• 44

• 76

• 78

What is the complementary base sequence to TACGTG?

• TACGTG

• ATGCAC

• TCACGT

• CGATCT

The rungs of the DNA ladder are made of __________ .

• deoxyribose sugar and nitrogen base

• deoxyribose sugar and phosphate sugar

• deoxyribose

• nitrogen bases