My momma said,"You better study!" Genetics

Which of the following diagrams illustrate sexual reproduction?

• I and II

• I and III

• II and III

• III and IV

Tags

NGSS.MS-LS3-2

Four puppies in the same litter have different hair color than the mother dog. Which of the following processes is responsible for the variety of hair color in this litter?

• asexual reproduction

• binary fission

• regeneration

• sexual reproduction

Tags

NGSS.MS-LS3-2

During asexual reproduction in one-celled algae, a single algae becomes two new algae. The genetic material in each of the daughter cells is usually —

• half the number of genes

• totally different from the parent cell

• the same number of genes

• twice the number of genes

Tags

NGSS.MS-LS3-2

Sexual reproduction —

• results in genetic variation in the offspring

• produces offspring that are identical to the parent

• decreases the chances of survival of the species

• results in genetic material being donated to offspring by only one parent

Tags

NGSS.MS-LS3-2

A student hypothesizes that green pod color in pea plants is dominant and yellow pod color is recessive. Which observation would disprove this hypothesis?

• Two plants with green pods produce an offspring with green pods

• Two plants with yellow pods produce an offspring with green pods.

• Two plants with green pods produce an offspring with yellow pods.

• Two plants with yellow pods produce an offspring with yellow pods.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

What is the best way to explain the movement of the plant in the picture?

• The plant is moving in response to the heat from the sun

• The plant is moving in response to its need for water

• The plant is moving in response to the light from the sun

• The plant is moving in response to the air around it

Tags

NGSS.MS-LS2-1

Which level of organization is represented by the picture?

• organism

• organ

• organ system

• cell

Looking at the experiment Mendel did with the pea plants, can two yellow seed pods that are cross bred produce a green seed pod?

• YES

• NO

Tags

NGSS.MS-LS3-2

Which of the following best explain negative geotropism?

• The flower and leaves of a plant grow up

• The roots are growing down

• The plant bend towards the source of light

• The plant wilts

Which of the following best explains positive geotropism?

• The leaves and stem grow up

• The plant wilts

• The plant bends toward the light source

• The roots grow down