Meiosis and Genetic Variation Flashcards

Flashcards covering key concepts from a worksheet on meiosis and genetic variation.

Meiosis produces daughter cells that are __.

genetically different

Two copies of chromosomes that share similar genes, but may have different alleles are called __.

homologous chromosomes

Germ cells (cells that make egg and sperm cells) go through __.

meiosis

If an organism has 36 chromosomes in its genome, the correct diploid number would be __.

36

If an organism has 36 chromosomes in its genome, the correct haploid number would be __.

18

Crossing over occurs during __.

Meiosis

All of the following create genetic variation EXCEPT __.

DNA Replication

Alleles will be inherited without influencing each other according to the Law of __.

Independent Assortment

Fertilization happens __.

randomly

The products of meiosis are cells that are genetically .

haploid, different

Meiosis reduces the number of chromosomes by whereas mitosis keeps the number.

half, same

A mosquito has 6 chromosomes, so their egg and sperm cells would have __ chromosomes.

3

Siblings can look different from one another due to and the Law of .

fertilization, Independent Assortment

The exchange of pieces of chromatin between homologous chromosomes during Prophase I of meiosis is called __.

crossing over

Any change in the sequence of DNA is a __.

mutation

When a sperm and egg meet, it is called __.

fertilization

Haploid cells are represented by letter __ in the diagram.

B

Chromosomes exchange genetic material during __.

crossing over

A human zygote should have __ chromosomes inside.

46

The process represented is resulting in .

meiosis, gametes