Reproduction and Heredity

Question 1

Chromosomes

Answer 1

Tightly coiled strands of DNA and protein that carry tens to hundreds of genes.

Question 2

DNA

Answer 2

Made up of nitrogen bases, phosphate, and sugars.

Question 3

Trait

Answer 3

A characteristic of an organism.

Question 4

Inherit/Heredity

Answer 4

When genetic info is passed from parent to child.

Question 5

Sexual Reproduction

Answer 5

Reproduction where 2 cells, egg and sperm, create a new organism with genetic identity.

Question 6

Asexual reproduction

Answer 6

Reproduction in which a new organism is produced from 1 parent and has the same genetic material and DNA of parent.

Question 7

Genes

Answer 7

A section of DNA or RNA that codes for specific trait.

Question 8

Genetic Material

Answer 8

The nuclear and cytoplasmic material that determines the function and structure of a cell.

Question 9

Cell

Answer 9

Basic unit of structure and function of organisms.

Question 10

Who was Gregor Mandel?

Answer 10

A scientist.

Question 11

What did Gregor Mandel study?

Answer 11

Pea plants.

Question 12

What contribution did Gregor Mandel make to the understanding of genetics and heredity?

Answer 12

When he studied pea plants, he discovered the basic laws of genetics.

Question 13

Asexual Reproduction disadvantages

Answer 13

• No variation
• Genetically identical, so if the environment changes they won’t be able to adapt
• Becomes deadly

Question 14

Asexual Reproduction advantages

Answer 14

• Less energy
• Faster
• Many offspring produced

Question 15

Sexual Reproduction advantage

Answer 15

-Allows genetic variation, which helps in survival and adaptation.

Question 16

Sexual Reproduction disadvantage

Answer 16

• Requires 2 parents

- Slower