Meiosis and Variation

Front

What is one reason why we need meiosis? Options: To double the number of chromosomes going into sex cells, To halve the number of chromosomes going into sex cells, To triple the number of chromosomes going into sex cells, To not change the number of chromosomes going into sex cells

Back

To halve the number of chromosomes going into sex cells

Front

The cells produced via meiosis are called

Back

gametes

Front

When an egg and sperm combine, the process is called ______ to form a ______.

Back

fertilization...zygote

Front

In humans, sperm and egg cells each have ___ chromosomes, so a fertilized human egg cell (sperm and egg cell combined) would have ___ chromosomes.

Back

23, 46

Front

Meiosis makes sure that all daughter cells are _____.

Back

genetically diverse, haploid

Front

What scientific process is being shown? Mixing, Crossing over between sister chromatids, Crossing over between non-sister chromatids, square dancing

Back

Crossing over between non-sister chromatids

Front

The random distribution of chromosomes during meiosis

Back

Independent Assortment

Front

In order for offspring to get a genetic mutation, the mutation must occur in what type of cell?

Back

Cells like eggs or sperm cells that are undergoing reproduction.

Front

Before division, the cell is called ______. After division, the resulting cells are called ______.

Back

parent; daughter

Front

If an intestinal (body) cell in a butterfly contains 24 chromosomes (diploid), a butterfly egg (haploid) cell would contain ___________

Back

12 chromosomes