Purebred and Hybrid

Scientists call an organism with two different alleles for a trait

• factor

• purebred

• trait

• hybrid

Having two identical alleles.

• homozygous/purebred

• codominance

• phenotype

• heterozygous/hybrid

How do we know that II-8 and II-9 are hybrids Bb

• because II-9 has a purebred sister

• because they have purebred recessive children

• because they have purebred dominant children

• because II-9 have hybrid parents

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What is true about the individuals I-1 and I-2 in this recessive pedigree?

• they are hybrids

• they are purebred recessive

• they are purebred dominant

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In the context of genetics, what does the term "hybrid" specifically refer to?

• An organism with two identical alleles for a trait

• An organism with two different alleles for a trait

• A cross between two different species

• A genetically modified organism

Which is an example of selective breeding?

• A giraffe's long neck.

• Clipping a horse's tail so it's not too long.

• Training a horse to run faster.

• Cross breeding a labrador retriever with a poodle .

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What is a hybrid organism in the context of genetics?

• An organism with two identical alleles for a trait

• An organism with two different alleles for a trait

• An organism with no alleles for a trait

• An organism that is not affected by its environment

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Which statement is true about all of the unshaded individuals in this recessive pedigree

• they are all hybrids

• they are all purebred dominant

• they all have at least one dominant allele

• they are purebred recessive

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What is the genotype of generation one couple 1 and 2

• hybrids

• purebred dominant

• purebred recessive

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How do we know couple number 5 and 6 in generation two are hybrids

• they have a purebred recessive daughter

• they have a purebred recessive son

• they have a hybrid son

• they have a hybrid daughter

Tags

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