Genetics

Genetics

December 1st, 2020

Multiple Select

How does this organism reproduce? Select all that apply.

• Sexual reproduction

• Asexual reproduction

• Binary Fission

• Spore Formation

Multiple Select

How does this organism reproduce? Select all that apply.

• Sexual reproduction

• Asexual reproduction

• Budding

• Meiosis

Multiple Select

How does this organism reproduce? Select all that apply.

• Mitosis

• Sexual reproduction

• Meiosis

• Fertilization

Multiple Choice

Which is a disadvantage for undergoing sexual reproduction?

• Sexual reproduction requires less energy.

• Sexual reproduction requires more energy.

• Sexual reproduction results in less diversity among offspring.

• Sexual reproduction results in more diversity among offspring.

Genetics

genetics explain why we inherit certain traits from our parents.

As you go through the notes, write down all the statements that are in color.

DNA

• DNA stands for deoxyribonucleic acid.

• Our DNA is a molecule containing all of our genetic material.

• It is found in the nucleus of our cells.

Genes

• A gene is a segment of DNA that encodes for a gene product.

• 378 genes code for skin color in mice and humans.

• Only eight genes code for hair color.

Poll

How many genes do you think humans have?

• 500 - 1,000

• 10,000 - 15,000

• 20,000 - 25,000

• more than 1 million

Chromosomes

• Chromosomes are structures that carry genes.

• Chromosomes are copied and passed down to offspring

• Our chromosomes come in pairs (each of our parents give us one for every pair)

• Humans have 46 (23 pairs)

DNA make up genes.

Multiple genes are found on each chromosome.

Multiple Choice

Our ________ are segments of DNA that can encode for a trait.

• chromosomes

• genes

• mitosis

• eggs

Multiple Choice

What are genes made of?

• Chromosomes

• DNA

• More genes

Multiple Choice

There are multiple _________ on our chromosomes.

• genes

• nuclei

• cells

Multiple Choice

Chromosomes come in pairs. Each of your parents give you a chromosome for every pair. True or False?

• True

• False