Reproduction

Question 1

What is sexual reproduction?

Answer 1

fusion of male and female gametes

Question 2

What type of cell divison is involved in sexual reproduction?

Answer 2

meiosis

Question 3

What type of cell divison is involved in asexual reproduction?

Answer 3

mitosis

Question 4

What is meiosis?

Answer 4

cell division producing four daughter cells genetically different

Question 5

How can plants reproduce asexually?

Answer 5

bulb division or runners

Question 6

What is the genetic material in cells called?

Answer 6

DNA

Question 7

What is DNA?

Answer 7

polymer made of chains of four different nucleotides

Question 8

What is a gene?

Answer 8

small section of DNA that codes for a protein

Question 9

What are alleles?

Answer 9

different forms of the same gene

Question 10

What is a recessive allele?

Answer 10

allele that need to be present twice to be expressed

Question 11

What is a dominant allele?

Answer 11

allele that is always expressed, even if only one copy is present

Question 12

What is a genome?

Answer 12

the entire genetic material of a organism

Question 13

Define the term homozygous

Answer 13

two of the same alleles present in an organism

Question 14

Define the term heterozygous

Answer 14

two different alleles present in an organism

Question 15

Where in the cell are proteins made?

Answer 15

ribosomes

Question 16

What type of allele causes polydactyly?

Answer 16

dominant allele

Question 17

What type of allele causes cystic fibrosis?

Answer 17

recessive allele

Question 18

How many chromosomes do normal human body cells have?

Answer 18

23 pairs