Chapter 3

Question 1

Mitosis

Answer 1

begins: conception
produces: 2 identical daughter cells with chromosomes
accomplishes: growth of human, renewal of body cells

Question 2

Meiosis (men)

Answer 2

begins: puberty
produces: four sperm, each with 23 chromosomes
accomplishes: formation of male reproductive cells

Question 3

Meiosis (women)

Answer 3

begins: early in prenatal period
produces: one ovum and 3 nonfunctional polar bodies, each with 23 chromosomes
accomplishes: formation of female reproductive cells

Question 4

Turner syndrome

Answer 4

a female is born with a single X chromosome rather than 2, these girls remain small, with stubby fingers and toes and a “webbed” neck

Question 5

Klinefelter syndrome

Answer 5

a male is born with one or more extra X Chromosomes (XXY), long limbs, and sometimes have big ears and long faces, they are sterile and a puberty develop feminine characteristics