Cell Division and Reproduction 2022

In asexual reproduction, all of the genes come from

• two parents

• three parents

• one parent

• no parents

Tags

NGSS.MS-LS3-2

What is a homologous pair of chromosomes?

• A mutated pair of chromosomes

• The same type of chromosomes - one is from the mother and one is from the father

• An identical pair of chromosomes

• Two different chromosomes attached to each other

Tags

NGSS.HS-LS3-1

Why is sexual reproduction important for a species?

• So that all members of a species are identical

• So that all members of a species reproduce

• So that there is diversity (variety) in a species

• So that the species goes extinct

Tags

NGSS.HS-LS4-2

Meiosis produces

• Sex cells/gametes (sperm and egg)

• Nerve cells

• Skin cells

• Stomach cells

Tags

NGSS.HS-LS3-2

A human sex cell (gamete) has ________ the number of chromosomes as a human body cell.

• Double

• Half

• 1/4 the number

• 46

Tags

NGSS.HS-LS3-2

The joining of egg and sperm is

• Meiosis

• Mitosis

• Fertilization

• Binary Fission

In organisms that reproduce sexually, the genes come from

• One parent

• Two Parents

• The air

• Three parents

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

After mitosis, the cells will be ______ the parent cell.

• the same as

• different from

• half the same as

Why does DNA have to replicate (copy) itself before mitosis?

• The daughter cells need to have half the DNA as the parent cell.

• The daughter cells need to have the same DNA as the parent cell.

What is a chromosome?

• part of the endoplasmic reticulum

• an enzyme that codes for a specific trait

• a long piece of DNA coiled up around proteins