<span>The interior of a cell is called the cytoplasm. </span>
If a homozygous short plant (tt) is crossed with a heterozygous tall plant (Tt), the percentage of tall offsprings is 50% and the percentage of short offspring is 50%.
- A heterozygous tall pea plant will have the genotype "Tt" and a homozygous short pea plant will have the genotype "tt" because homozygous means that both alleles are identical.
- Since 'T' is dominant over 't', any plant with at least one "T" allele will be tall (the dominant trait), regardless of what the other allele is.
- The punett square of the following problem will have 2 squares with Tt genotype and 2 squares with tt genotype.
Hence, the genotypic ratio of F1 generation will be
Tt : tt
1 : 1
And phenotypic ratio of F1 generation will be
Tall : Short
1 : 1
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Answer: Relatively less abundant water on land makes survival difficult for terrestrial animals. All four problems stem from a lack of water. Terrestrial animals spend energy looking for water, which is not available easily. Terrestrial temperature fluctuates widely, so energy investments have to be made to keep body temperatures regulated.
Explanation:
