Lab 10-Mendelian Genetics

Question 1

Gregor Mendel discovered several fundamental principles of inheritance through his studies of:

Answer 1

Garden pea (pisum sativum) or the pea plant

Question 2

Homozygous

Answer 2

Same

Question 3

Heterozygous

Answer 3

Expression of different information

Question 4

Alternative expressions of a character are referred to as:

Answer 4

Alleles

Question 5

The entire set of alleles for a given gene is referred to as the:

Answer 5

Genotype

Question 6

Allele that is always expressed is:

Answer 6

Dominant

Question 7

Allele not expressed or “hidden” in a heterozygote

Answer 7

Recessive

Question 8

Outward appearance expressed

Answer 8

Phenotype

Question 9

Mendel’s Principle of Segregation

Answer 9

During the formation of gametes, individual alleles segregate independently for each character.

Question 10

Mendel’s Principle of Independent Assortment

Answer 10

During the formation of gametes, individual alleles from more than one character will assort independently of each other.

Question 11

Chi-Squared value indicates the:

Answer 11

Degree of discrepancy from the expected.

Question 12

χ2=

Answer 12

(Observed-expected)^2
__________________________

        Expected

Question 13

Passing of characteristics from one generation to the next

Answer 13

Inheritance