Chapters 12 And 13

Question 1

Heredity

Answer 1

Transmission of genetic information from parent to parent

Question 2

Genetics

Answer 2

Science of studying the genetic pattern and variations

Question 3

Genotype

Answer 3

Genetic makeup of an individual. Traits like eye color

Question 4

Phenotype

Answer 4

Observable physical or biochemical characteristics like height or weight

Question 5

Homozygous

Answer 5

Both allies are similar

Question 6

Heterozygous

Answer 6

Alleles are different

Question 7

Alleles

Answer 7

And possible forms of gene for a trait

Question 8

Dominant alleles

Answer 8

Shows trait even if there is one copy

Question 9

X chromosomes

Answer 9

Important genes unrelated to sex determination

Question 10

Autosomes

Answer 10

Alleles unrelated to sex

Question 11

SRY

Answer 11

Genetic switch that causes testes to develop in fetus

Question 12

X-linked traits

Answer 12

Larger and carries more genes

Question 13

X-inactivation

Answer 13

X-chromosome is compacted to make small dense structure called Barr bodies

Question 14

Gene interactions

Answer 14

When two or more allelic or non allelic genes of same genotise influence the outcome of particular phenotype characteristics

Question 15

Pleiotropy

Answer 15

When one gene has several effects on different characteristics.

Question 16

Mendel law of segregation

Answer 16

During meiosis, alleles for each locus separate from each other

Question 17

Linkage

Answer 17

Tendency for a group of linked genes on the same chromosomes