Science

Which term describes a type of trait that is usually expressed only when an organism has two identical alleles for the trait?

A- homozygous

B- dominant

C- heterozygous

D- recessive

My guess is A.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. Why are you guessing? What is the definition of homozygous?

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    👤
    Ms. Sue
  2. I meant that my choice is A.

    The definition of homozygous is having two identical alleles for a gene being considered.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  3. You're right.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    👤
    Ms. Sue
  4. So the correct answer is A?

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  5. Yes.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    👤
    Ms. Sue
  6. Thank you! :)

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  7. You're welcome.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    👤
    Ms. Sue

Respond to this Question

First Name

Your Response

Similar Questions

  1. biology

    Evolution Versus Natural Selection Quick Check 1. Consider the following scenario: An animal is born with a shorter tail. This makes no difference to its ability to survive or reproduce, but as a result of pure luck, the animal

  2. science

    Why is the classification species not considered a group?(1 point) A. Each species lacks the characteristics of the levels above. B. Each species is an individual organism. C. Each species shares characteristics with other

  3. L.A

    What is a modifier? Which term describes a group of words without a subject or a verb that cannot stand alone as a sentence? Which characteristic describes an independent clause? Which element plays a supporting role in a sentence

  4. Science

    You receive a sample slide of an organism. While observing it under a microscope, you notice that the organism is single-celled and green in color. There are multiple individual organisms on the slide. Based on this initial

  1. Science

    2. Which of the following describes the genotype and phenotype of parents whose child will definitely have a recessive trait? A. Both parents have a homozygous for the recessive allele and have that trait** B. Both parents have a

  2. Science

    What is a gene?(1 point) a section of DNA that encodes a specific protein a point that joins two halves of a chromosome a large molecule that performs a specific function a structure that contains many chromosomes Which structure

  3. science

    PLEASE HELP ME 1. Which statement best describes a polygenic trait?(1 point) -A polygenic trait is only controlled by one environmental factor. -A polygenic trait is only controlled by multiple environmental factors -A polygenic

  4. science

    A _____ organism is the offspring of many generations of organisms that have the same trait. hybrid homozygote purebred crossbred An organism’s physical appearance is its _____. heterozygous phenotype codominance genotype

  1. science

    Some dairy farmers want to increase the amount of milk produced by their cows. How can the farmers use selective breeding to increase milk production? By limiting the number of offspring per cow By allowing the cows to select

  2. Biology Answers

    Honors Biology Unit 8 Lesson 10 (Answers) 1. Which statement best describes a polygenic trait? Answer - A polygenic trait is controlled by multiple genes and influenced by the environment. 2. IQ is determined by: Answer - multiple

  3. biology

    Why would a population have a trait controlled by only one allele? Select all that apply. Having a single allele makes it more likely that the population can survive environmental changes. That exact trait is necessary in order

  4. Biology

    Which term describes an organism's ability to maintain a stable internal environment? (1) reproduction (2) extinction (3) locomotion (4) regulation

View more similar questions or ask a new question.