Inheritance and Variation

What are chromosomes?

• Long strands of DNA that contain lots of genes.

• Different versions of a gene.

• The basic unit of heredity; controls a specific trait.

• A characteristic passed from parent to offspring

• The differences that occur from a mixture of genes

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

What is one set of instructions for an inherited trait?

• gene
• allele
• phenotype
• genotype

Tags

NGSS.MS-LS3-2

The passing of traits from parents to offspring, or children

• variation
• inheritance

Tags

NGSS.MS-LS3-2

An example of an inherited characteristic is:

• eye colour

• a tattoo

• a scar

• similarities in characteristics

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

an inherited characteristic is caused by ....

• genetic information in the nuclei of cells.

• environmental factors

• blood

• children learning things from their parents.

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

An example of a characteristic that is determined only by inheritance is

• Height

• Tattoos

• Blood group

• Intelligence

Tags

NGSS.MS-LS3-2

An example of variation determined by both environment and inheritance is

• Eye colour

• Weight

• Height

• Ear lobe shape

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

What is variation?

• same organisms

• differences between the individuals within a species

• species

• same features of species

Tags

NGSS.MS-LS4-4

where is DNA present

Tags

NGSS.MS-LS3-1

What does DNA stand for?

• Deoxyribonucleic Acid
• Deoxyribose Enzymes
• Deoxyribose Messenger 
• Retro deoxyribose Acis

Tags

NGSS.MS-LS3-1