Genetics HW

​ (a)   is genetic material arranged in a double helix (or ladder shape) which can code for ​ (b)   .

• DNA
• TRAITS
• A PEDIGREE
• CHROMOSOMES

Where in the cell is DNA found?

• Nucleus

• Cytoplasm

• Chloroplast

• Cell Membrane

What are sections of DNA (or sections on a chromosome) called?

• DNA

• Genes

• Chromosomes

• Nucleus

A gene determines a __________ such as eye or hair color.

• nucleus

• DNA

• chromosome

• Trait

How many pairs of chromosomes do humans have?

• 21

• 22

• 23

• 24

The union of egg and sperm to form a new offspring is

• gene

• fertilization

• amino acids

• DNA

How are similarities passed from parent to offspring?

• through teaching

• through learning

• through blood

• through genes

DNA is found in cheek cells

• True

• False

Answer explanation

All tissues are made of cells and each cell has a nucleus that contains our DNA

The same copy of DNA is in all the nuclei of an organism

• True

• False

Answer explanation

After fertilisation the single cell that carries your DNA continues to multiply by doubling and each new cell carries the exact same DNA that is "you"

What is the structure in the nucleus of a cell that holds one long molecule of DNA?

• gene

• chromosome

• genome

• RNA