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The following example illustrates a dihybrid cross between two double-heterozygote pea plants. R represents the dominant allele for shape (round), while r represents the recessive allele (wrinkled). A represents the dominant allele for color (yellow), while a represents the recessive allele (green).
In the example pictured to the right, RRYY/rryy parents result in F 1 offspring that are heterozygous for both R and Y (RrYy). [4] This is a dihybrid cross of two heterozygous parents. The traits observed in this cross are the same traits that Mendel was observing for his experiments. This cross results in the expected phenotypic ratio of 9:3:3:1.
The Fabaceae (/ f ə ˈ b eɪ s i. iː,-ˌ aɪ /) or Leguminosae, [6] commonly known as the legume, pea, or bean family, are a large and agriculturally important family of flowering plants. It includes trees , shrubs , and perennial or annual herbaceous plants , which are easily recognized by their fruit ( legume ) and their compound, stipulate ...
Once the peas have simmered to tender, spoon the cornbread batter into the simmering peas, making 8-12 dumplings. Cover and allow to simmer for 8 to 10 minutes. Remove from heat and enjoy warm ...
It took Texas to make America swallow the idea of lucky New Year’s black-eyed peas. More than 85 years ago, in 1937, an East Texas promoter put the first national marketing campaign behind what ...
The name is also used to describe other edible seeds from the Fabaceae such as the pigeon pea (Cajanus cajan), the cowpea (Vigna unguiculata), the seeds from several species of Lathyrus and is used as a compound form for example Sturt's desert pea. Peas are annual plants, with a life cycle of one year. They are a cool-season crop grown in many ...
Examples of zygomorphic flowers may be seen in orchids and members of the pea family. In many plants of the aster family such as the sunflower, Helianthus annuus, the circumference of the flower head is composed of ray florets. Each ray floret is anatomically an individual flower with a single large petal.
A food pyramid is a representation of the optimal number of servings to be eaten each day from each of the basic food groups. [2] The first pyramid was published in Sweden in 1974. [3] [4] [5] The 1992 pyramid introduced by the United States Department of Agriculture (USDA) was called the "Food Guide Pyramid" or "Eating Right Pyramid".