15.1 Flashcards Preview

Biology Chapter 15 {15.0-15.3} > 15.1 > Flashcards

Flashcards in 15.1 Deck (16)
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1
Q

Name 3 disorder that are caused by the recessive allele on the x chromosome in humans?

A

Color blindness, Duchenne muscular dystrophy, and Hemophilia

2
Q

Barr Body

A

Inactive X condensed

3
Q

If a female is heterozygous for a particular gene locates on the X chromosome, she will be ___ for that character

A

Mosaic

4
Q

___ genes tend to be inherited together because they are located near each other on the same chromosome

A

Linked

5
Q

Morgan found that body color and wing size are usually inherited together in _____ _____?

A

Specific combinations or parental phenotypes

6
Q

Genes do not sort ____ and reasoned that they were on the same chromosome

A

Independently

7
Q

Genetic recombination

A

Offspring produced that have different combination of traits than parents

8
Q

Parental types

A

Offspring with a phenotype matching one of the parental phenotypes

9
Q

Recombinant types/recombinants

A

Offspring with non parental phenotypes (new combinations of traits)

10
Q

Cross over

A

Breaks down process when physical connection btw genes on same chromosome (homologous chromosomes)

11
Q

Recombinant chromosomes

A

Bring alleles together in new combinations in gametes

12
Q

Random fertilization

A

Increases even further in the number of variant combinations that can be produced

13
Q

Natural selection

A

Abundance of genetic variation is the raw material

14
Q

Genetic map

A

An ordered list of the genetic loci along a particular chromosome

15
Q

Father apart genes are…

A

The more likely to crossover

16
Q

Linkage map

A

Genetic map of chromosomes based on recombination frequencies