Patterns of Inheritance Flashcards

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1
Q

Which of the following can be used to carry a fragment of DNA into a host organism cell?

A

Vector

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2
Q

Which of the following describes an autosome?

A

Not a sex chromosome

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3
Q

A phenotype is best described as being determined by which of the following?

A

Both the genotype and the environmental conditions

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4
Q

Test Cross

A

predicting the offspring of a cross between known homozygous or heterozygous parents

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5
Q

Which of the following correctly describes a carrier?

A

A carrier is always heterozygous for the trait.

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6
Q

Phenotype

A

individual’s expressed traits

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7
Q

Alleles

A
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8
Q

Characters

A

heritable features

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9
Q

True-breeding

A

always produced offspring that were identical to the parent

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10
Q

Mendel’s Law of Segregation

A
  • one allele for each gene
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11
Q

Mendel’s law of independent assortment

A

genes do not influence each other

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12
Q

Incomplete Dominance

A

Blended traits - white + red flowers = pink

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13
Q

Codominance

A

Both alleles appear - red + white flowers = red flowers white spots

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14
Q

Sex-linked traits

A
  • gene present on X but not Y
  • female homozygous for a recessive X-linked trait will pass the trait on to 100 percent of the male offspring
  • Females heterozygous for these diseases are said to be carriers , not showing phenotype
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15
Q

Mendelian Ratios

A

1:1

3:1

1:2:1

1:1:1:1

9:3:3:1

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16
Q

Pedigree

A

family tree that traces the occurrence of the character

17
Q
A
18
Q
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19
Q
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20
Q
A