MEP M3/1 SCIENCE MIDTERM EXAM

Sections of DNA that have instructions for a specific trait are called _______________

• Blueprints

• Heterozygous

• Genes

• Fragment

Chromosomes are _______________

• Long strands of DNA that contain many genes

• Made of 20 pairs

• Bundles of DNA that contain only one gene each

• Found in the mitochondria

The passing of physical characteristics, or traits, from parent to offspring. ___________

• Genetics

• Heredity

• Dominant

• Recessive

Physical appearance or physical trait.

• Genotype

• Phenotype

.……. is compared to a twisted ladder.

• Protein

• RNA

• Chromosome

• DNA

DNA is short for

• Ribonucleic acid

• Deoxyribonucleic acid

• Nucleic acid

How many pairs of chromosomes do human cells contain?

• 23

• 46

• 16

• 32

Where is DNA found in a human cell?

• ribosome

• nucleus

• cell membrane

• cytoplasm

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

An SS fly could be described as (Check all that apply.)

• homozygous

• heterozygous

• dominant phenotype

• recessive phenotype