what is a dominant allele

an allele that controls the development of a characteristic when it is present in only one of the chromosomes

an allele that controls the development of a characteristic when it is present in both chromosomes

when is a recessive allele present?

when the dominant allele is not present

a particular combination of amino acids (which make a specific protein)

a particular combination of alleles (which makes a specific chromosome)

a disorder when an individual has extra fingers or toes

a disorder when an individual has less fingers or toes

a dominant allele (can be passed on by only one parent who has the disorder)

a recessive allele (can be passed on by both parents who carry the disorder)

Quiz

hanayousuf 13 perguntas Atualizado em 19 fev 2016

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1what is an allele
1. Aa form of a gene
2. Ba enzyme
3. Ca gamete
2what is a dominant allele
1. Aan allele that controls the development of a characteristic when it is present in only one of the chromosomes
2. Ban allele that controls the development of a characteristic when it is present in both chromosomes
3when is a recessive allele present?
1. Aafter the dominant allele
2. Bwhen the dominant allele is not present
3. Cnever
4what is a gene?
1. Aa small section of dna
2. Bthe opposite to dna
5what does each gene code for?
1. Aa particular combination of amino acids (which make a specific protein)
2. Ba particular combination of alleles (which makes a specific chromosome)
6some disorders are inherited
1. AVerdadeiro
2. BFalso
7what is polydactyl
1. Aa disorder when an individual has extra fingers or toes
2. Ba disorder when an individual has less fingers or toes
8what is polydactyl caused by?
1. Aa dominant allele (can be passed on by only one parent who has the disorder)
2. Ba recessive allele (can be passed on by both parents who carry the disorder)
9what is cystic fibrosis?
1. Aa disorder of cell walls
2. Ba disorder of cell membranes
3. Ca disorder of nucleus
10cystic fibrosis must be inherited by...
1. Aone parent
2. Bboth parents

Descrição: Quiz sobre genetic variation, criado por hanayousuf em 10-05-2015.
Autor: hanayousuf
Idioma: English
Visualizações: 0
Histórico: Criado em 10 mai 2015 · atualizado em 19 fev 2016
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