7.0 meiosis

CROSSING OVER INCREASES

• LIFE SPAN

• GENETIC VARIATION

• THE NUMBER OF OFF-SPRING

• ALL ARE TRUE

Tags

NGSS.HS-LS3-2

CROSSING OVER TAKES PLACE DURING

• PROPHASE II

• PROPHASE I

• INTERPHASE

• METAPHASE I

Tags

NGSS.HS-LS3-2

What is it called when a sperm and egg meet?

• meiosis
• fertilization
• cell division
• mitosis

Which process and type of resulting cells are represented?

• mitosis, gametes
• mitosis, body cells
• meiosis, gametes
• meiosis, body cells

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

Which letter(s) in the diagram correspond to cells that are haploid? 

• A
• B
• C
• A and B

A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?

• 20
• 40
• 80
• 160

Tags

NGSS.HS-LS3-1

Chromosomes exchange genetic material during 

• crossing over
• replication
• synthesis
• translation

Tags

NGSS.HS-LS3-2

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Females have ____ and males have _____ chromosomes.

• XX, XY
• XY, XX
• XX, XX
• XY, XY