Which statement best describes the importance of sexual reproduction?

• sexual reproduction produces variation in offspring
• sexual reprosuction provides regeneration of body parts
• sexual reproduction occurs between individuals of the same species
• sexual reproduction produces offspring that are identical

Tags

NGSS.HS-LS4-2

Which of the following cell types is formed by meiosis?

• skin cells
• sperm cells
• blood cells
• muscle cells

Tags

NGSS.HS-LS3-2

In humans, the haploid number of chromosomes is ____.

• 23

• 46

• 69

• 92

Tags

NGSS.HS-LS3-1

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

• a centrosome

• a tetrad/homologous pairs

• the mitotic spindle

• sister chromatids

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

• Anaphase I

• Metaphase I

• Prophase I

• Telophase I

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

What phase is represented?

• metaphase 1
• metaphase 2
• anaphase 1
• anaphase 2

Tags

NGSS.HS-LS1-4

This pictures depicts what stage of meiosis?

• Prophase 1 
• Prophase 2
• Anaphase 1 
• Anaphase 2

If the diploid number of carrots is 18, the haploid number is _____.

• 18

• 9

• 27

• 36

The result of meiosis II is:

• two diploid cells
• two haploid cells
• four diploid cells
• four haploid cells