image

    Have a query? Ask a Tutor!!

    Access to best educators and exclusive paper discussions

    Can’t find what you’re looking for?

    Our tutors are from top schools around the world, and they are waiting for you 24/7, anytime, anywhere.

    • Homework- One to One Solutions
    • Understand concepts to solve better
    • Get your doubts solved instantly
    Biology
    Grade-9
    Easy

    Question

    Which of the following is homozygous recessive?

    1. Tt
    2. tt
    3. TT
    4. T

    The correct answer is: tt

      • Homozygous, as related to genetics, refers to having inherited the same alleles of a genomic marker from each biological parent.

      Related Questions to study

      Grade-9
      Biology

      Which of the following is homozygous dominant?

      1. Jj
      2. Rr
      3. MM
      4. ee

      Which of the following is homozygous dominant?

      BiologyGrade-9
      1. Jj
      2. Rr
      3. MM
      4. ee
      Grade-9
      Biology

      What did Mendel notice?

      1. Most pea flowers were tall, and some were purple.
      2. Most of the pea flowers were white, but a few were purple.
      3. Most of the pea flowers were purple, but a few were white.
      4. Most pea flowers were short, and some were white.

      What did Mendel notice?

      BiologyGrade-9
      1. Most pea flowers were tall, and some were purple.
      2. Most of the pea flowers were white, but a few were purple.
      3. Most of the pea flowers were purple, but a few were white.
      4. Most pea flowers were short, and some were white.
      Grade-9
      Biology

      Why pea plants were perfect to study on heredity?

      1. Pea plants are complex
      2. They were easy to study
      3. One gene controlled one trait
      4. One gene was controlled by multiple traits

      Why pea plants were perfect to study on heredity?

      BiologyGrade-9
      1. Pea plants are complex
      2. They were easy to study
      3. One gene controlled one trait
      4. One gene was controlled by multiple traits
      parallel
      Grade-9
      Biology

      What specifically about Pea Plants did Mendel study?

      1. Color of pea flower
      2. Colors of individual peas
      3. Texture of peas
      4. All of these

      What specifically about Pea Plants did Mendel study?

      BiologyGrade-9
      1. Color of pea flower
      2. Colors of individual peas
      3. Texture of peas
      4. All of these
      Grade-9
      Biology

      What was the theory of genetics before Mendel did his experiments?

      1. All traits were random
      2. All traits skipped a generation
      3. All traits were decided by God
      4. All traits were a mixing of the parent’s traits

      What was the theory of genetics before Mendel did his experiments?

      BiologyGrade-9
      1. All traits were random
      2. All traits skipped a generation
      3. All traits were decided by God
      4. All traits were a mixing of the parent’s traits
      Grade-9
      Biology

      What did Gregor Mendel study?

      1. Mold spores
      2. Pea plants
      3. Sun flowers
      4. Rats

      What did Gregor Mendel study?

      BiologyGrade-9
      1. Mold spores
      2. Pea plants
      3. Sun flowers
      4. Rats
      parallel
      Grade-9
      Biology

      The traits of an organism are passed to its offspring on small coded strands of DNA material called__________.

      1. Meiosis
      2. Recessive traits
      3. Genes
      4. Heredity 

      The traits of an organism are passed to its offspring on small coded strands of DNA material called__________.

      BiologyGrade-9
      1. Meiosis
      2. Recessive traits
      3. Genes
      4. Heredity 
      Grade-9
      Biology

      Genes always appear in pairs. Your parents donate ________ allele for every trait.

      1. 1
      2. 2
      3. 23
      4. 46

      Genes always appear in pairs. Your parents donate ________ allele for every trait.

      BiologyGrade-9
      1. 1
      2. 2
      3. 23
      4. 46
      Grade-9
      Biology

      What type of organism was used to determine the basic patterns of heredity?

      1. Fruit flies
      2. Dogs
      3. Potato plants
      4. Pea plants

      What type of organism was used to determine the basic patterns of heredity?

      BiologyGrade-9
      1. Fruit flies
      2. Dogs
      3. Potato plants
      4. Pea plants
      parallel
      Grade-9
      Biology

      Segments of DNA are called _______________________.

      1. Genes
      2. Alleles
      3. Traits
      4. Chromosomes

      Segments of DNA are called _______________________.

      BiologyGrade-9
      1. Genes
      2. Alleles
      3. Traits
      4. Chromosomes
      Grade-9
      Biology

      If brown hair is represented by the allele "B" and blond hair is represented by the allele "b", then what must be the genotype of someone who has blond hair?

      1. BB
      2. bb
      3. Bb
      4. Either BB or Bb

      If brown hair is represented by the allele "B" and blond hair is represented by the allele "b", then what must be the genotype of someone who has blond hair?

      BiologyGrade-9
      1. BB
      2. bb
      3. Bb
      4. Either BB or Bb
      Grade-9
      Biology

      A segment of DNA that codes for a trait is:

      1. Gene
      2. Centromere
      3. Chromosome
      4. Chromatid

      A segment of DNA that codes for a trait is:

      BiologyGrade-9
      1. Gene
      2. Centromere
      3. Chromosome
      4. Chromatid
      parallel
      Grade-9
      Biology

      More than _______ alleles that control a trait are called multiple alleles.

      1. 5
      2. 1
      3. 2
      4. 10

      More than _______ alleles that control a trait are called multiple alleles.

      BiologyGrade-9
      1. 5
      2. 1
      3. 2
      4. 10
      Grade-9
      Biology

      Which of the following is a genetic trait?

      1. Time
      2. Temperature
      3. Eye color
      4. Diet

      Which of the following is a genetic trait?

      BiologyGrade-9
      1. Time
      2. Temperature
      3. Eye color
      4. Diet
      Grade-9
      Biology

      ___________________________ is the field of science that studies of how traits are passed on, or inherited.

      1. Dominant traits
      2. Ratio
      3. Phenotype
      4. Genetics

      ___________________________ is the field of science that studies of how traits are passed on, or inherited.

      BiologyGrade-9
      1. Dominant traits
      2. Ratio
      3. Phenotype
      4. Genetics
      parallel

      card img

      With Turito Academy.

      card img

      With Turito Foundation.

      card img

      Get an Expert Advice From Turito.

      Turito Academy

      card img

      With Turito Academy.

      Test Prep

      card img

      With Turito Foundation.