Section 23.1-- God's Provision for the Continuity of Life

Question 1

the transmission of characteristics from parent to offspring through genes in the chromosomes of the cells

Answer 1

Heredity

Question 2

an organism’s environment and other factors also affect

Answer 2

genetic traits

Question 3

genes do not control a person’s

Answer 3

character

Question 4

the continuity of life is assured by the miracle of

the process by which a cell divides to form two new daughter cells

Answer 4

mitosis

Question 5

God’s plan for the continuity of life from one generation to the next that requires only miotic cell devisions

Answer 5

asexual reproduction

Question 6

the answers to the questions about asexual reproduction are found in the process of

Answer 6

differentiation

Question 7

one of the most remarkable designs in God’s plan for the continuity of life

Answer 7

sexual reproduction

Question 8

the body cell

Answer 8

somatic cell

Question 9

the somatic cell has ____ chromosomes

Answer 9

46

Question 10

gametes have only __________ chromosomes

Answer 10

23

Question 11

the egg and sperm originate when _______________ in the ovaries of females and the testes of males undergo a specially designed type of cell division

Answer 11

germ cell

Question 12

the specially designed type of cell division that germ cells undergo to create sperm and eggs

Answer 12

meiosis

Question 13

when an egg and a sperm unite in the process of fertlization, the result is single fertilized egg cell known as a

Answer 13

zygote

Question 14

half of the usual number of chromosomes a sperm cell or an egg cell contains is known as a

Answer 14

haploid set

Question 15

the zygote contains the complete number of chromosomes which is called a

Answer 15

diploid set

Question 16

the special type of division that makes sexual reproduction possible is

Answer 16

meiosis

Question 17

because the number of chromosomes is reduced by one half in meiosis, it is also called

Answer 17

reduction division

Question 18

in male organisms, meiosis is a major part of __________________

the formation of sperm cells

Answer 18

spermatogenesis

Question 19

Humans have ________ chromosomes, arranged in ____ pairs

Answer 19

46

23

Question 20

the chromosomes in each pair are _______________

similar in size and shape and contain the genetic information for the same functions

Answer 20

homologous

Question 21

meiosis occurs in __________ successive stages

Answer 21

2

Question 22

homologous chromosomes pair up in a process called

Answer 22

synapsis

Question 23

the exchange of genetic material is called

Answer 23

crossing over

Question 24

crossing over results in the ____________________ of genes, an important source of biological variation

Answer 24

recombination