Unit 7: Genetics

Question 1

Gene

Answer 1

A segment of DNA that is a recipe for a trait

Question 2

Allele

Answer 2

Alternative recipe for the same traitb

Question 3

Dominant allele

Answer 3

Physically manifested if present at all

Question 4

Recessive allele

Answer 4

Dominant is completely absent, then it is Shown

Question 5

Genotype

Answer 5

All of the alleles in an individual for a given trait

Question 6

Phenotype

Answer 6

Physical appearance for a given traitb

Question 7

Law of segregation

Answer 7

A pair of allele for one trait is plot up

Question 8

Law of independent assortment

Answer 8

Alleles if each gene are inherited independently from eachother

Question 9

Punnet square

Answer 9

Used to predict trait outcomes from an offspring

Question 10

Types of Genotype

Answer 10

Homozygous dominant
Heterozygous
Homozygous recessive

Question 11

Homozygous dominant

Answer 11

Only copies of dominant allele (RR)

Question 12

Herterozygous

Answer 12

One dominant, one recessive (Rr)

Question 13

Homozygous recessive

Answer 13

Two copies of recessive allele (rr)

Question 14

Sex Linked

Answer 14

Genes found on the X chromosome

Question 15

Co-dominance

Answer 15

Two dominant alleles that create a homozygous genotype

Question 16

A woman exhibits all the symptoms of a recessive sex-linked trait (i.e., carried on the X chromosome and recessive). Which of the following must be true?

Answer 16

Her father has the gene

Question 17

When does meiosis occur?

Answer 17

When bodies are ready to reproduce