Choose the word that matches the following definition:

two of the same alleles present; (HH, hh)

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describes the alleles (or genes) that an organism carries.. written as letter pairs

A ___________ comes from a family with many generations of the same trait.

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various forms of the same gene

Example: height - short or tall

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describes the physical characteristics that can be observed (traits you can see)

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This allele is expressed in the phenotype even if only one copy is present; strong gene; capital letter

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an allele pair with two different alleles (Hh)

A ___________ comes from a family with mixed genes over generations. This means traits vary, or are different.

Who was Gregor Mendel?

In rabbits, white fur is a recessive trait. Based on this fact, what statement BEST describes this white rabbit's genotype?

Based on the chart, which option is heterozygous for dimples?

Based on the chart, which option is homozygous recessive for freckles?

A tool used to illustrate how a parent's alleles might combine in an offspring.

Based on the chart, which option is homozygous dominant for eye color?

If the genotype is Tt, which trait will be expressed in the phenotype?

Which of the following is the correct way to write an allele pair?

Brown hair is an example of the _________.

In pea plants, the gene for tall stems (H) is dominant over short stems (h). A certain pea plant from this group has the homozygous genotype hh for the stem height gene.

Based on this information, what is this plant's phenotype for the stem height trait?

Light brown seeds (d) is recessive to dark brown seeds (D).

A certain watermelon has dark brown seeds.

Which of the following could be its genotype for the seed color gene? Select all that apply.