Monohybride crosses flashcards


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Mendelian genetics introduced the concept of? units of inheritance
what are genes? genes are genetic regions of the DNA that determine characteristics
what are alleles? alleles are alternatives of a gene
what is a locus? locus is a region on a chromosome where alleles are located
what is an autosome? it is any chromosome that is not a sex chromosome
what is a dominant trait? dominant traits are that produce a dominant phenotype
what are co-dominant alleles? they are a pair of alleles that both affect the phenotype when present in a heterozygote
what is a recessive allele? it is an allele that only has an effect on the phenotype when present in the homozygous state
what is a test-cross? this is when a suspected heterozygote is crossed with a known homozygote
who is a carrier? a carrier is an person that has one copy of a recessive allele
Do some genes have more than two alleles? yes
Multiple alleles increase the number of different phenotype
what is incomplete dominance? This is when one allele does not completely dominate another allele
why did Mendel use pea plants? because they are easy to grow and hybridize artificially. They reproduce well and grow fast to maturity in single season
pea plants are capable of ____ and ____ fertilization self and artificial fertilization
All the progeny of a monohybride cross have ____ phenotype same phenotype
what are reciprocal crosses? they are crosses with the sexes of two parents switched
why did the F1 offspring always look like one of the two parental varieties? different genes interacted to produce the parental phenotype
what was the major conclusion that Mendel draw from his pea experiment? that traits are inherited in discrete units, and are not as a result of blending
why can a person with genotype AaBbCCDdEE can make many kinds of gametes? different possible alignments of chromosomes
what is a test cross? it is a genetic cross used to ascertain the genotype of an organism
what are monohybrid crosses? they are crosses between parents that differ in a single characteristic
what is P generation? called the parent generation. It is the first generation
what does F1 generation mean? it means first filial generation. it is the offspring generation
what is monohybrid crosses used for? they can be used to determine the inheritance pattern of a trait between two single organisms
what is a dihybrid cross? it is a cross between F1 offspring of two individuals that differ in two traits of particular interest
what are dihybrid crosses used for? they can be used to text for dominant and recessive genes in two separate characteristics
what is Law of Segregation? It states that allele pairs separate during gamete formation, and randomly unite at fertilization
what is Independent Assortment? it states that alleles pairs separate independently during the formation of gametes
How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEE? 8
what differentiates independent assortment from segregation? The law of independent assortment requires describing two or more genes relative to one another.
What does independent assortment generate? Independent assortment generates genetic variation.
what is an allele? alleles are alternative forms of genes.
If a person has different alleles will they be heterozygous or homozygous? heterozygous
what are the two form of alleles? dominant and recessive
what are dominant alleles? dominant alleles are "stronger" than recessive alleles and are represented by a capital letter
what are recessive alleles? recessive alleles show up less often in a cross and are represented by lowercase letter
The word allele short for? allelomorph
what is a lethal allele? it is an allele that causes death at an early stage of development (mostly before birth)
Multiple alleles may also be referred to as? allelic series
What kind of allele is found in the locus of the ABO blood type? multiple allele
The ABO blood type codes for it codes for the antigen on red blood cells
The three common alleles for the ABO blood group are? Ia that codes for A antigen; Ib codes for B antigen; i which codes for no antigen (O)
Represent the dominance relations among the ABO alleles Ia>i, Ib>i Ia = Ib
_____ and _____ are dominant over i Ia and Ib
what kind of antigens does an individual with ii produce? individuals with ii produce neither antigens and has blood type O
Antibodies are produces against? antigens
A person with blood group A produces ____ antibodies B antibodies
What kind of antigens do persons with blood group O have? they have A or B antigens

Mendelian genetics introduced the concept of?

what are genes?

what are alleles?

what is a locus?

what is an autosome?

what is a dominant trait?

what are co-dominant alleles?

what is a recessive allele?

what is a test-cross?

who is a carrier?

Do some genes have more than two alleles?

Multiple alleles increase the number of

what is incomplete dominance?

why did Mendel use pea plants?

pea plants are capable of ____ and ____ fertilization

All the progeny of a monohybride cross have ____ phenotype

what are reciprocal crosses?

why did the F1 offspring always look like one of the two parental varieties?

what was the major conclusion that Mendel draw from his pea experiment?

why can a person with genotype AaBbCCDdEE can make many kinds of gametes?

what is a test cross?

what are monohybrid crosses?

what is P generation?

what does F1 generation mean?

what is monohybrid crosses used for?

what is a dihybrid cross?

what are dihybrid crosses used for?

what is Law of Segregation?

what is Independent Assortment?

How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEE?

what differentiates independent assortment from segregation?

What does independent assortment generate?

what is an allele?

If a person has different alleles will they be heterozygous or homozygous?

what are the two form of alleles?

what are dominant alleles?

what are recessive alleles?

The word allele short for?

what is a lethal allele?

Multiple alleles may also be referred to as?

What kind of allele is found in the locus of the ABO blood type?

The ABO blood type codes for

The three common alleles for the ABO blood group are?

Represent the dominance relations among the ABO alleles

_____ and _____ are dominant over i

what kind of antigens does an individual with ii produce?

Antibodies are produces against?

A person with blood group A produces ____ antibodies

What kind of antigens do persons with blood group O have?

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