Bio lesson 1.3 key terms

Question 1

Asexual Reproduction (Mitosis)

Answer 1

The production of offspring from a single parent

Offspring inherit the genes of the single parent only

Reproduction without sexual intercourse

Question 2

Sexual Reproduction (Meiosis)

Answer 2

The production of offspring from the union of 2 sex
cells, one from each parent

Genetic make-up of offspring is different from that of
either parent

Reproduction with sexual intercourse

Question 3

Trisomy

Answer 3

Chromosomal abnormality, three homologous chromosomes in a pair

Question 4

Monosomy

Answer 4

Chromosomal abnormality, a single chromosome in place of homologous pair`

Question 5

Prenatal testing

Answer 5

testing for a genetic order that occurs during birth

Question 6

What type of cells are involved in mitosis

Answer 6

somatic cells

Question 7

What type of cells are involved in meiosis

Answer 7

gamete cells

Question 8

Purpose of mitosis

Answer 8

Purpose: repair dead cells, growth (or
asexual reproduction in some
organisms)

Homologous chromosomes do not pair
up

Question 9

Purpose of meiosis

Answer 9

Purpose: sexual reproduction to
generate variations

Synapsis

Question 10

Does mitosis have the exchange for genetic info

Answer 10

YES

Question 11

Crossing over does not occur in meiosis

Answer 11

NO