Chapter 13- Meiosis And Sexual Life Cycles

Question 0

what are genes?

Answer 0

Coded information in hereditary units

Question 1

What is genetics?

Answer 1

Study of heredity

Question 2

What are genetic links to parents?

Answer 2

Genes we inherit from mothers and fathers

Question 3

What is heredity?

Answer 3

Transmission of traits from one generation to the next

Question 4

What is DNA?

Answer 4

Polymer of 4 nucleotides that genetic programs are written on

Question 5

What is a Gamete?

Answer 5

Transfers genes from one generation to the next [sperm and egg]

Question 6

What are Somatic Cells?

Answer 6

All cells in the body except gametes

Question 7

What is a Locus?

Answer 7

Genes specific location along the chromosome

Question 8

What is Asexual reproduction?

Answer 8

A single individual as a parent and passes [exact] copies of all it’s genes to the offspring

Question 9

How do eukaryotic organisms reproduce?

Answer 9

Asexually by miotic cell division here DNA is distributed equally to two daughter cells

Question 10

What can some multicellular organisms do?

Answer 10

Reproduce asexually

Question 11

What is a clone?

Answer 11

A group of genetically identical individuals that are the direct effect if asexual reproduction

Question 12

What is sexual reproduction?

Answer 12

2 parents that have an offspring. The offspring has 2 different sets of genes

Question 13

What is a life cycle?

Answer 13

Generation to generation sequence of stages in the reproductive history of an organism

Question 14

What are sister chromatids?

Answer 14

2 copies of 1 chromosome

Question 15

What is crossing over?

Answer 15

A genetic rearrangement between non-sister chromatids.

Question 16

What is chiasmata?

Answer 16

The one or more X shaped regions in each homologous pair

Question 17

What does meiosis do?

Answer 17

Reduces the number of chromosomes from two (diploid) to one (haploid)

Question 18

What does mitosis do?

Answer 18

Conserves the number of chromosome sets