Ch 6

Question 1

WHat is a somatic cell?

Answer 1

Any cell in a multicellular organism except sperm or egg cells.

Question 2

What is cloning?

Answer 2

A group of genetically identical individuals.

Question 3

Where the center of the chromosomes attach is known as?

Answer 3

Centromere

Question 4

How many chromosomes are in a human somatic cell and what do we call that?

Answer 4

46 DIPLOID

Question 5

What is loosely wrapped DNA?

Answer 5

Chromatin

Question 6

When the DNA has yet to split but is in its x formation it is known as what?

Answer 6

Sister Chromatids

Question 7

How many chromosomes in a gamete human cell?

Answer 7

23 HAPLOID

Question 8

What is a non reproductive cell called?

Answer 8

Somatic

Question 9

What is a tightly wrapped DNA?

Answer 9

Chromasome

Question 10

Non dividing cells have DNA in what form?

Answer 10

chromatin

Question 11

WHat does ploidy mean?

Answer 11

Refers to number of chromosomes either diploid or haploid

Question 12

What is Budding in reference to asexual reproduction?

Answer 12

The formation of a new organism by the protrusion of part of another organism. Has same genetic info as parent but was essentially PINCHED OFF.

Question 13

WHat are the gene carrying structures found in the nucleus of eukaryotic cells?

Answer 13

Chromosomes

Question 14

3 TYPES of Cellular Division?

Answer 14

Binary Fission
Mitosis
Meiosis

Question 15

What is amplexus?

Answer 15

When the man latches on

Question 16

The production of offspring that are exact copies of the parent is known as what?>

Answer 16

Asexual Reproduction.

Question 17

What are homologous chromosomes?

Answer 17

Very similar but dont carry identical information. carry same genes but different alleles/

Question 18

What is the first thing a dividing cell do?

Answer 18

Make a copy of its DNA

Question 19

What is pathenogenisis?

Answer 19

occurs in females where growth and development of embryos or seeds occurs without fertilization by males.

Question 20

Alternative version of genes?

Answer 20

Alleles

Question 21

3 functions of Cellular Division?

Answer 21

1. Reproduction
2. Growth and development
3. TIssue Renewal

Question 22

The discrete unit of heridity info consistin of a specific nucleotide sequence in DNA.

Answer 22

Genes

Question 23

How are cancer cells different from normal cells?

Answer 23

1 Divide when they should not.
2 Invade surrounding tissues
3 Can move to other locations

Question 24

WHat are BRCA1 and BRCA2?

Answer 24

Genes that, when working properly help prevent the formastion of tumors by producing proteins that maintain DNA function.

Question 25

How does binary fission work in asexual reproduction?

Answer 25

The organism splits directly into to equal offspring, each with a copy of the original DNA.

Question 26

What is a gamete?

Answer 26

a reproductive cell like sperm or egg

Question 27

What is an egg or sperm cell called?

Answer 27

A gamete?