5-2 Traits And inheritance

Question 1

Genes

Answer 1

The instructions for inherited traits

Question 2

Alleles

Answer 2

Alleles are The different forms of a gene. Offspring have two alleles for every trait. They can be dominant (Capital letter) or recessive (lower case letter) example: Purple (P) flowers vs. White (p) flowers

Question 3

Phenotype

Answer 3

Phenotype (physical)
Phenotype is how that characteristic looks in an organism. (Physical looks or characteristics)
Example: Purple or white

Question 4

Genotype

Answer 4

Shows the combination of the alleles
Example: PP or pp-Homozygous (both alleles the same) [true-breeding]
Pp-Heterozygous (each allele is different)

Question 5

Punnett Squares

Answer 5

Used to organize all the possible combinations of offspring from two parents. They show the probability (the mathematical chance that something will happen). Every event is independent of the event that came before it.

Question 6

P-purple
p-white
Pp | Pp
----|----
Pp | Pp
Phenotype:
Genotype:

Answer 6

Phenotype:100% Purple
Genotype: Heterozygous-100%Pp