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Biology

1. A version of a gene is called a(n)
karyotype.
autosome.
allele.
phenotype.

2. If a father is affected by an X-linked dominant condition and the mother is not, which children can inherit the condition?
only males
both males and females
only females
neither males nor females

3. If a mother is affected by an X-linked dominant condition and the father is not, which children can inherit the condition?

neither males nor females
only males
only females
both males and females

4. How can a female inherit red-green color blindness?

Her mother is a carrier, and her father has the condition.
Females cannot inherit red-green color blindness.
Her mother is not a carrier, and her father has the condition.
Her mother is a carrier, and her father does not have the condition.

5. A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probability the offspring inherit a recessive short allele.

25%
0%
75%
50%

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  1. We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.

    We will respond to your choices. What are they?

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  2. 1. A version of a gene is called a(n)?
    (A. allele)

    2. The trait for blue eyes in humans is caused by a recessive allele. If this gene is named E, what is the genotype of a blue-eyed person?
    (2. D. ee)

    3. Describe the relationships among genes, DNA, and traits.
    (A.Traits are determined by genes, which are composed of DNA.)

    4. In mice, the gene for tail length has two alleles. A long tail is dominant to a short tail. If a long-tailed mouse that is heterozygous mates with a short-tailed mouse, what are the chances of having offspring with short tails?
    (D. 50%)

    5.What is meant by a phenotype ratio in a Punnett square?What is meant by a phenotype ratio in a Punnett square?
    (C. the fraction of possible offspring that can be observed to have a trait.)

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  3. girl is 100% right.

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  4. girl is correct

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  5. 1. allele
    2. ee
    3. Traits are determined by genes, which are composed of DNA.
    4. 50%
    5. the fraction of possible offspring that can be observed to have a trait

    as of oct 2021 connexus academy

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  6. thankies maddi and girl!

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  7. Girl 100% right

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  8. Girl and Maddie are correct 100% :3

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  9. ty sm maddi

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  10. Tysm y’all I was struggling till I found this site connexus kids know wussup

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  11. Girl is correct, and their answers still hold up.

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  12. 100% thanks xoxo Maddie

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  13. #5: Which process uses heat and short pieces of synthesized DNA called primers to copy DNA in large quantities?
    B.) polymerase chain reaction

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  14. Thank you girl <3

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  15. still right thank ya'll

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