Non Mendelian Flashcards

(32 cards)

1
Q

is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.

A

genetics

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2
Q

also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring

A

heredity

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3
Q

is the acquisition/reception of genetic qualities of parents to offspring

A

inheritance

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4
Q

is the difference in DNA among individuals or the differences between populations

A

variation

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5
Q

is the set of observable characteristics or traits of an organism

A

phenotype

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6
Q

is acomplete set of genetic materia

A

genotype

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7
Q

any of the alternative forms of gene in a genotype

A

Alleles

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8
Q

isthe basic physical and functional unit of heredity

A

genes

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9
Q

an inherited characteristic that appears in an offspring if it is contributed from a parent through a dominant allele

A

dominant trait

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10
Q

isa trait that is expressed when an organism has two recessive alleles, or forms of a gene

A

recessive trait

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11
Q

is made up of two of the SAME alleles

A

Homozygous

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12
Q

is made up of two DIFFERENT alleles

A

Heterozygous

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13
Q

isa table in which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given

A

punnet square

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14
Q

isany pattern of inheritance in which traits do not segregate in accordance with Mendel’s laws.

A

non mendelian inheritance

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15
Q

It is a form of intermediate inheritance in which one allele does not completely dominate another allele, resulting in a NEW PHENOTYPE.

A

incomplete dominance

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16
Q

The term ”incomplete dominance” was proposed by the German botanist

A

Carl Correns(1864–1933).

17
Q

Both alleles are EXPRESSED EQUALLY in the phenotype of the heterozygote

18
Q

isan individual’s complete set of chromosomes.

19
Q

isa type of chromosome involved in sex determination.

A

sex chromosome

20
Q

the sex of an individual is determined by the sex chromosomes contributed to the zygote by the sperm and the egg.

A

sex determination

21
Q

These are the female sex cells

22
Q

these are the male gametes

23
Q

The process involved in which sperm and egg cell unites to form a zygote

A

fertilization

24
Q

A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes

25
are numbered chromosomes that contain genes for anything that does not relate to sex determination.
Autosomes
26
those traits limited to only one sex.
-Sex-limited traits
27
are autosomal traits that are influenced by sex. If a male has one recessive allele, he will show that trait, but it will take two recessive for the female to show that same trait. One such gene is baldness.
Sex-influenced traits
28
are genes found either on X or Y chromosomes which are inherited differences among male and a female..
Sex-linked genes
29
X-linked Inheritance The X chromosome is larger than the Y chromosome. Any disorder or trait that is transmitted from the X chromosome is termed an X-linked inheritance. X-linked inheritance can either be recessive or dominan
X-linked Inheritance
30
If the mutated gene is present in the Y chromosome, then this is referred to as Y-linked inheritance. Since the Y chromosome is present in males only, Y-linked disorders are passed from fathers to male offspring. Hypertrichosis (presence of long dark hair on the ears) is an example of Y-linked inheritance.
Y-linked Inheritance
31
an example of an X-linked trait is a rare genetic disorder in which a person lacks enough blood-clotting proteins caused by a change in one of the genes
hemophilia
32
Is another condition of the X-linked trait. These traits will be manifested in females who have two genes of color-blindness. Meanwhile, in males, there is only one gene of the disorder needed to express the phenomenon. Males are more likely to be colorblind due to the fact that they only have 1 X chromosome
color blindness