biology

a heterozygous tall pea plant is crossed with a short plant the probability that an F1 plant will be tall is?

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  1. Ts x ss ... Ts, Ts, ss, ss

    a Punnett square is pretty straight forward

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  2. Answers for Biology A Unit 4: Genetics Lesson 2: Applying Mendel's Principles I

    Keep in mind the answers might change in the future.

    The correct answers are marked with *****

    1- A homozygous tall pea plant is crossed with a short plant. the probability that an F1 plant will be tall is

    A. 25%
    B. 50%*****
    C. 75%
    D. 100%

    2- In the Punnett square shown in Figure 11-1, which of the following is true about the offspring resulting from the cross?

    A. About half are expected to be short.
    B. All are expected to be short.
    C. About three-fourths are expected to be tall.
    D. All are expected to be tall. *****

    3- Which principle states that during gamete formation genes for different traits separate without influencing each other's inheritance?

    A. Principle of dominance
    B. Principle of independent assortment *****
    C. Principle of probabilities
    D. Principle of segregation

    4- the Punnett square shown below follows the law of independent assortment and shows the results of a F1 cross between a female cat heterozygous for both coat color and the tail length (BbSs) and a male cat homozygous recessive for both coat and color and tail length (bbss)

    The probability that the offspring will be brown colored cat with a long tail is___.

    A. 25%*****
    B. 50%
    C. 75%
    D. 100%

    1. B
    2. D
    3. B
    4. A

    I hope this helps! :)

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  3. These are all correct!
    B
    D
    B
    A

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  4. Correct :)
    B D B A

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