Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Which of the following statements is not consistent with Mendel’s experiments using peas?
Mendel used genes that assorted independently from each other
Mendel used pairs of alleles in which one allele was clearly dominant to the other
Mendel used progeny testing and testcrosses to confirm genotypes
Mendel used genes that showed no epistatic interactions with each other
Mendel used pea strains of unknown ancestry
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Introduction :-
Epistasis refers to a phenomenon where the expression of one gene affects the expression of another gene. This means that the effects of the alleles at one gene can interact with the alleles at another gene, and this interaction can influence the phenotype of an organism
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- Mendel’s model organism for studying inheritance was the garden pea. What are the advantages of using peas to study genetics? All choices are correct Mating between garden peas can be carefully planned and controlled Garden peas produce a large number of offspring with every mating Garden peas have a short generation time Garden peas are available in many varietiesarrow_forwardI don’t understand the concept of Mendels formula. I don’t get how they used the ratios in table 3.4 to predict the number of genotypes in each generation and I was wondering if you could explain it better. I don’t know how they got those numbers.arrow_forwardWhich of the following inheritance patterns results in a phenotypic ratio of 1:2:1 in a monohybrid cross? Mendelian inheritance pattern Epistasis Incomplete dominancearrow_forward
- How do some differences in the outcomes for sets of gametes produced illustrate Mendel's laws of independent assortment and segregation? Be brief and specific.arrow_forwardThe allele for freckles (F) is dominant to the allele for no freckles (f). A freckled man and an unfreckled woman have two children, a boy with freckles and a girl without freckles. What are the genotypes for all four? Question 6 options: Mom: XfXf, Dad: XY, boy: ff, girl: ff Mom: ff, Dad: FF, boy: Ff, girl: ff Mom: ff, Dad: Ff, boy: Ff, girl: ff Mom: ff, Dad: FF, boy: Ff, girl: FFarrow_forwardWhat is Mendel’s law of segregation? Allele pairs separate during the formation of gametes, and pair back up upon fertilisation. During meiosis, the alleles of two or more genes separate into the gametes independent of each other. During meiosis. genetic material segregates equally into the resulting gametes. The separation of alleles into different gametes results in genetically distinct offspring. During meiosis, genes that are in close proximity on the genome are more likely to cross over together.arrow_forward
- Mendel’s experiments used plants that had traits which follow simple laws of dominance, segregation, and independent assortment. We have since learned that not all traits follow these simple laws. Give at least three examples of non-Mendelian inheritance patterns and explain how each differs from Mendel’s laws of inheritance.arrow_forwardThe statement can be used more than oncearrow_forwardExamine the following crosses carried out to explore inheritance of traits in pea plants. Parent cross: rough, soft peas X smooth, hard peas F1 : all rough, hard Test cross: rough, hard X smooth, soft peas F2 : 115 rough soft, 110 smooth hard, 8 rough hard, 12 smooth soft Identify which traits are dominant, and either support or refute the hypothesis that the traits rough/smooth and soft/hard assort independently according to Mendel's law.arrow_forward
- In his work on pea plants, Mendel found that plant height was inherited independently of the type or color of the seed coat. This finding: Group of answer choices Explains gene linkage. Demonstrates the Law of Independent Assortment. Demonstrates the Law of Dominance and Recessiveness. Applies only to genes on the same chromosome.arrow_forwardWhen Mendel performed mono-hybrid crosses with opposing traits (i.e. purple flowers and white flowers) what did he see in the in F2 generation? He found that the trait that had dissappeared in the F1 generation returned in 25% of the F2 generation He found that both traits continued to be present in 50% of the F2 generation, just like the F1 generation He found that the trait that had dissappeared in the F1 generation returned in 50% of the F2 generation He found that the trait that had dissappeared in the F1 generation returned in 75% of the F2 generationarrow_forwardA man with brown eyes decides to have offspring with a blue eyed woman. After a genetic test, the geneticist tells him that all his kids will have brown eyes, but they will carry the blue eyed allele and his grandchildren might have blue eyes. This is an example of Mendel's Law of Segregation Heritability Phenotypic Transmission Independent Assortmentarrow_forward
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