what is a recessive trait course hero

What must occur for a person to inherit an autosomal recessive trait?

All of the answer choices are correct. What has to occur for a person to inherit an autosomal recessive trait? Both parents must contribute recessive alleles. One parent must contribute a recessive allele.

Is being left-handed a dominant or recessive trait?

Being left-handed (represented as l) is a recessive trait. Jim and Suzie are both left-handed. If they have a child, which of the following could be his/her genotype? Sometimes a trait can be influenced by multiple genes. What would such a trait be called?

Which two parents must contribute a recessive allele in mitosis?

One parent must contribute a recessive allele. One parent must contribute a recessive allele while the other contributes a dominant allele. Both parents must contribute dominant alleles. Both parents must contribute recessive alleles. Which phase of mitosis follows prophase?

What do you mean by recessive trait?

Refers to a trait that is expressed only when genotype is homozygous; a trait that tends to be masked by other inherited traits, yet persists in a population among heterozygous genotypes.

What is an example of a recessive human trait?

Cleft chin, dimples, and freckles are similar examples; individuals with recessive alleles for a cleft chin, dimples, or freckles do not have these traits. Having round (as opposed to almond-shaped) eyes is recessive, along with inability to roll one's tongue.

Which of the following statements best describes a recessive trait a trait that is not common in your family?

The correct answer is (d) a trait that appears when a person has two recessive alleles for that gene.

How can an offspring inherit a recessive trait?

A recessive trait can only be passed to the offspring if both parents carry (Dd or dd) and transmit the recessive allele to their offspring.

What is a recessive trait quizlet?

Recessive trait. A trait that is apparent (visible) only when 2 recessive alleles for the same characteristic are inherited i.e. bb ss tt. Trait. A physical characteristic i.e. hair color, ability to roll tongue.

What is an example of recessive?

Recessive alleles only show their effect if the individual has two copies of the allele (also known as being homozygous?). For example, the allele for blue eyes is recessive, therefore to have blue eyes you need to have two copies of the 'blue eye' allele.

Which statement is true about recessive traits?

which statement is true about recessive traits? recessive traits can only be expressed with recessive alleles.

What is the most common recessive trait?

It works like this: A recessive trait is one that usually only manifests itself when there is no dominant gene present....The Most Common Recessive Genes In HumansBeing Tall. ... Type O Blood. ... The Ability To Carry A Tune. ... Not Being Nearsighted. ... Blue Eyes. ... Hairless Hands. ... Straight Hair. ... Colorblindness.More items...

Why are genes recessive?

A recessive gene is a gene whose effects are masked in the presence of a dominant gene. Every organism that has DNA packed into chromosomes has two alleles, or forms of a gene, for each gene: one inherited from their mother, and one inherited from their father.

What is another word for recessive?

What is another word for recessive?shydiffidenthumbleunassertivemeekshrinkingtimorousunassumingblushingsilent235 more rows

What are common recessive genes?

Gene expression determines our phenotype. Some of these genes (dominant) mask the effect of others (recessive)....Single Gene Traits.TraitsDominantRecessiveHairlineWidow's peakStraightHair colorWhite hair streakNormal hair colorHandednessRight handednessLeft handednessHitchhiker's thumbsAbsencePresence22 more rows