Chapter 9

Question 1

Genetics

Answer 1

Studies how traits are transmitted from one generation to the next

Question 2

Purebred parents

Answer 2

Offspring who has same TRAITS as parents

Question 3

Hybrid

Answer 3

Offspring whole parents have different traits

Question 4

P Generation

Answer 4

Purebred parents. Ex: Purple flower and White flower

Question 5

F1 Generation

Answer 5

Hybrid offspring of purebred parents. One trait always disappears. Ex: All purple

Question 6

F2 generation

Answer 6

Hybrid parents F, XF. One trait Always comes back at ratio of 3:1

Question 7

Alleles

Answer 7

Different versions of the same gene. Gene for flower color has 2 alleles; white allele and purple allele

Question 8

Every organism has 2 alleles

Answer 8

One from mom and one from dad

Question 9

Homozygous

Answer 9

HAVE 2 IDENTICAL ALLELES. Purebred parents are HOMOZYGOUS

Question 10

HETEROZYGOUS

Answer 10

Have different alleles. Hybrid parents are HETEROZYGOUS

Question 11

Dominant Allele

Answer 11

of present will determine the trait.

Question 12

Recessive Allele

Answer 12

Only determines the trait if dominant is not present

Question 13

The Law of Segregation

Answer 13

Gamate will Randomoly inherit one of the two alleles. – Predicted meiosis