Bio lesson 1.7 key terms

Question 1

Define Dihybrid Crosses

Answer 1

Mendel also studied the inheritance of 2 separate traits (ie, shape of seed, colour of seed) in cross breeding, following the same procedure as for single traits

Dominance vs. recessive

Mendel’s Law of Segregation

Question 2

What is Mendel’s second law

Answer 2

The Law of Independent Assortment

Question 3

Define The Law of Independent Assortment

Answer 3

When 2 or more pairs of characteristics are considered at one time, each pair shows dominance and segregation independently of the other.

If genes are located on separate
chromosomes, they are inherited
independently of each other.

Question 4

Define Purebred

Answer 4

True breeding / homozygous

Question 5

Define Co-dominance

Answer 5

A blend that does not exist and 2 alleles are expressed at the same time

Heterozygous intermediate phenotype with both phenotypes showing

Question 6

Define Multiple Allelism

Answer 6

More realistic and is possible to have more than 2 forms of a gene

Larger number of possible genotypic combinations