Meiosis

CROSSING OVER INCREASES

• LIFE SPAN

• GENETIC VARIATION

• THE NUMBER OF OFF-SPRING

• ALL ARE TRUE

__________-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

MITOSIS

• INCREASES GENETIC VARIATION

• ALLOWS TRAITS TO BE PASSED ON TO OFFSPRING

• PRODUCES 2 IDENTICAL DAUGHTER CELLS

• ALL ARE TRUE

FERTILIZATION OCCURS WHEN

• THE SPERM UNITES WITH THE EGG

• THE SPERM UNDERGO MEIOSIS

• THE EGG UNDERGOES MEIOSIS

• THE EGG AND SPERM UNDERGOES MEIOSIS

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

• DIPLOID

• HAPLOID

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

• 46

• 23

• 12

• 92

Which process and type of resulting cells are represented?

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

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

• homozygous 
• asexual
• homologous
• genes

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