Staar Practice

How many pairs of chromosomes exist in each of your cells?

• 10
• 12
• 23
• 46

when you have two different genes

• heterozygous
• dominant
• homozygous

when you have two of the same genes

• heterozygous
• recessive
• homozygous

the physical look of a trait

• phenotype
• genotype
• recessive

the following letters are an example of _______  dd

• recessive
• homozygous recessive
• homozygous dominant
• dominant

Tags

NGSS.HS-LS3-2

Dd letters are an example of....

• heterozygous genes
• homozygous genes
• dominant genes
• recessive genes

DD is an example of

• homozygous recessive
• dominant
• Homozygous dominant
• recessive

What process occurs when WATER diffuses across a membrane?

• endocytosis
• mitosis
• osmosis
• nuclear fission 

When particles move from areas of high concentration to areas less concentrated, this has taken place.

• diffusion
• mitosis
• endocytosis
• photosynthesis

During osmosis

• water moves from high to low concentration
• large or oddly shaped molecules move across a cell membrane
• water moves when energy is used
• proteins are built