Genetics III

Question 1

Human Genome Project

Answer 1

Mapped entire base sequence (A,T,C,C) of 99% of our DNA.

Question 2

Genomics

Answer 2

Study of how DNA affects structure and function.

Question 3

Inheritance

Answer 3

passage of traits from one generation to another.

Question 4

Genetics

Answer 4

Brace of biology that deals w/ inheritance.

Question 5

Heredity

Answer 5

transmission of genetic characteristics from PARENT TO OFFSPRING.

Question 6

Penetrence

Answer 6

Likelihood w/ which a genetic variant causes any type of phenotypic manifestation.

Question 7

Mutation

Answer 7

A permanent heritable change in a gene that causes it to have a different effect than it had previously.

Question 8

Locus

Answer 8

Location of a particular gene.

Question 9

Alleles

Answer 9

different forms of gene at same locus on 2 HOMOLOGOUS chromosomes.

Question 10

Domineant allele

Answer 10

produces protein responsible for expression of a given trait.

Question 11

Recessive allele

Answer 11

expressed only when both alleles are present and expressed.

Question 12

Genotype

Answer 12

alleles for particular trait (D or d) - the actual genetic constituents

Question 13

Phenotype

Answer 13

Outward expression of genes.

Question 14

Homozygous

Answer 14

2 identical alleles at a particular gene.

Question 15

Heterozygous

Answer 15

different alleles for a particular gene.