A physical change is change in shape, size, reversible, and change in matter
Answer:
Stephen is not his biological father.
Explanation:
DNA fingerprinting is a technique use to determine the DNA sequence of an individual organism. Short tandem repeats are unique among the individuals ans used to identify the individual in population.
The George DNA fingerprinting shows that he has STRs length of 6 and 7. Stephen's STRs does not match with his son George whereas Mary shows some similarities with George STRs. This indicates that Stephen is not the biological father of George because the biological father's STRs must match with the children STRs.
Thus, the correct answer is option (a).
The chance of their baby liger having stripes and being solid would be 3/4 and 1/4 respectively.
<h3>Monohybrid cross</h3>
Assuming stripes allele to be A and solid allele to be a.
For two heterozygous ligers, Aa vs Aa
Aa x Aa
AA Aa Aa aa
Offspring
AA and Aa - striped = 3/4
aa - solid = 1/4
Thus, the chance of producing a striped baby is 3/4 while the chance of producing solid baby is 1/4
More on monohybrid crossing can be found here: brainly.com/question/1185199
Answer:
double fertilization
Explanation:
Flowering plants or angiosperms are seed-producing plants with the ability to produce reproductive organs-flowers and fruits with seed in it (unlike gimnosperms which contain naked seed). Another distinctive feature of angiosperms is their reduced gametophytes. This feature most likely reduces the time between pollination and fertilization. Fertilization in flowerin plants is double, meaning that two sperm cells fertilize ovule cells(egg cell and central nuclei cell): one forms diploid zygote which will develop in embryo, while other form triploid cell which will develop into endosperm (provides nutrition for the embryo).
Fats and lipids are hydrophobic which makes them water repelling compounds. Therefore, presence of a waxy coating on the outer skin of the desert plant prevents loss of water via evaporation from the skin of the plants. This helps the plant store water and increases its survival period.
