Genes and Other Things

The traits of an organism are passed to its offspring on small coded strands of DNA material called

• meiosis
• recessive traits
• genes
• heredity

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which sentence is FALSE?

• All organisms have 23 pairs of DNA.
• Chromosomes are made of genes.
• DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine
• DNA is the recipe for life.

An organism's physical appearance or visible traits is called:

• genotype
• inherit
• gene
• phenotype

The process in which a cell splits in two...

• cell nucleus
• cell division
• replication
• inherit

Tags

NGSS.HS-LS1-4

True or False? A tightly wound bundle of DNA is a chromosome.

• False
• True

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

True or False? The passing of traits from one parent to offspring is heredity.

• False
• True

Tags

NGSS.HS-LS3-1

True or False? Being in control is known as dominance.

• True
• False

Homozygous genes are...

• same
• different