SELF 1. The genetic makeup of an organism is called its and the physical traits
ID: 136153 • Letter: S
Question
SELF 1. The genetic makeup of an organism is called its and the physical traits of an organism are called its 2. Which of Mendel's laws is represented by each statement? a. Alleles of each pair of homologous chromosomes separate independently during gamete formation. b. Alleles segregate during gamete formation; fertilization creates pairs of alleles once again. 3. Edward was found to be heterozygous (Ss) for the sickle-cell trait. The alleles represented by the letters S and s are a. on the X and Y chromosomes. b. linked. c. on homologous chromosomes d. both present in each of Edward's sperm cells. 4. Whether an allele is dominant or recessive depends on a. how common the allele is, relative to other alleles. b. whether it is inherited from the mother or the father. c. whether it or another allele determines the phenotype when both are present. d. whether or not it is linked to other genes. 5. Two fruit flies with eyes of the usual red color are crossed, and their off- spring are as follows: 77 red-eyed males, 71 ruby-eyed males, 152 red- eyed females. The gene that controls whether eyes are red or ruby is d the allele for ruby eyes is a. autosomal (carried on an autosome); dominant b. autosomal; recessive c. sex-linked; dominant d. sex-linked; recessiveExplanation / Answer
The genetic makeup of an organism is called its Genotype.and the physical traits of an organism are called its Phenotype.
Q.2
A law of independent assortment
.B. law of segregation
Q.3
On Homologous Chromosome.
Q.4
whether it or another allele determines the phenotype when both are present
Q.5
sex-linked; recessive
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