Inheritance Flashcards

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1
Q

What is heterozygous?

A

Heterozygous is a genotype which the alleles are different

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2
Q

What is homozygous?

A

homozygous is a genotype to which the alleles are identical

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3
Q

What are alleles?

A

alleles are alternate forms of a gene for particular characteristics

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4
Q

What is a genotype?

A

a genotype is the genetic instructions (in DNA) which are inherited from the parents for a particular gene locus

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5
Q

What is a phenotype?

A

a phenotype is the characteristics that are physically expressed by an organism

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6
Q

What are homologous pairs?

A

Homologous pairs are 2 chromosome that have a similar shape size and structure as another like chromosome

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7
Q

What are autosomes?

A

autosomes are the non sex chromosomes. There are 22 pairs of autosomes

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8
Q

What are sex chromosomes?

A

chromosomes which determine the sex of and organism. There are only 1 pair either XX or XY

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9
Q

What are sex linked chromosomes?

A

sex linked chromosomes are located on the sex chromosome, more commonly the X one. Females are typically more like to carry

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10
Q

What is a karyote?

A

a karyotype is a photograph of the 23 chromosome pairs found in the body

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11
Q

What is recessive?

A

recessive is when the genotype is present, but the dominant is shown over the recessive. they are only shown when someone is homozygous recessive.

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12
Q

What is dominant?

A

dominant alleles are the always shown in the phenotype and these are the capitol letters of an alleles

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13
Q

What is co dominance?

A

co dominance is where one alleles is not dominant over another alleles. Both are shown.

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14
Q

What is incomplete dominace?

A

incomplete dominance is the blending of alleles

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15
Q

What is a punnet square?

A

punnet squares are a way to predict the percentage of possible outcomes of the genotype.

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