meiosis

CROSSING OVER INCREASES

• LIFE SPAN

• GENETIC VARIATION

• THE NUMBER OF OFF-SPRING

• ALL ARE TRUE

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

__________-RE-ORDERS THE BASE SEQUENCE ;

EXAMPLE TO CREATE MORE GENETIC DIVERSITY

(ATA-CCG) TO (TTA-GGC)

• CROSSING OVER

• MITOSIS

• ASEXUAL REPRODUCTION

WHAT TYPE OF CELLS STORE THE GENETIC INFORMATION THAT IS PASSED TO OFF-SPRING

• BODY CELLS

• MITOSIS

• EGG

• SPERM

• EGG AND SPERM

Tags

NGSS.HS-LS3-1

MEIOSIS

• REDUCES THE NUMBER OF CHROMOSOMES BY ONE HALF

• PRODUCES UNIQUE SEX CELLS-1N

• ALLOWS TRAITS TO BE PASSED TO OFFSPRING

• ALL ARE TRUE

• INCREASE GENETIC VARIATION

Tags

NGSS.HS-LS3-2

MITOSIS

• INCREASES GENETIC VARIATION

• ALLOWS TRAITS TO BE PASSED ON TO OFFSPRING

• PRODUCES 2 IDENTICAL DAUGHTER CELLS

• ALL ARE TRUE

Tags

NGSS.HS-LS1-4

MEIOSIS PRODUCES 4 CELLS-THE CHROMOSOME NUMBER IS ...

• DIPLOID

• HAPLOID

MEIOSIS PRODUCES 4 CELLS, THEY ARE

• N

• 2N

• 3N

Tags

NGSS.HS-LS3-2

NORMAL HUMANS HAVE 46 CHROMOSOMES, HOW MANY WILL THE GERM CELLS HAVE AFTER MEIOSIS?

• 46

• 23

• 12

• 92

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

• homozygous 
• asexual
• homologous
• genes

A male shark has 40 chromosomes in egg cells and sperm cells. How many would be present in its body cells?

• 20
• 40
• 80
• 160

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2