unit 4 genetics

Question 1

Ancestor

Answer 1

a person from whom one is descended from (parent, grandparent, great grandparent)

Question 2

Descendant

Answer 2

a person, plant, or animal that is descended from a particular ancestor (child, grandchild, great grandchild)

Question 3

Asexual reproduction

Answer 3

One parent; offspring are identical to the parent and each other (uniform)

Question 4

Sexual reproduction

Answer 4

Two parents; offspring differ from each parent and each other (diverse)

Question 5

Chromosome

Answer 5

made of DNA located in the nucleus; contains genetic information needed to carry out cell functions and make new cells

Question 6

Allele

Answer 6

one of two or more genes that may occur on a chromosome

Question 7

Diverse Offspring

Answer 7

offspring are different from parents

Question 8

Uniform Offspring

Answer 8

offspring are identical to the parent

Question 9

DNA

Answer 9

located in chromosomes; determines the genetic traits of an organism (deoxyribonucleic acid)

Question 10

Gene

Answer 10

a segment of DNA; determines the inheritance of a particular trait

Question 11

Heredity

Answer 11

the passage of genetic instructions from one generation to the next

Question 12

Genetics

Answer 12

the study of heredity

Question 13

Traits

Answer 13

behavioral characteristics or physical attributes of an organism that are expressed by genes and/or influenced by the environment

Question 14

Heterozygous

Answer 14

If an individual carries two different genres for a trait (Aa)

Question 15

Homozygous

Answer 15

If an individual carries the same two alleles for a gene (AA or aa)