Answer:
D. Mendel's law of independent assortment is being violated.
Explanation:
For independently assorting genes, a dihybrid test cross gives progeny in 1:1:1:1 ratio. Here, a dihybrid (BbGg) is crossed with a double homozygous recessive individual (bbgg). If the genes were assorted independently, four types of progeny would have been produced in 1:1:1:1 ratio.
However, the progeny has more proportion of offspring with black eyes, green skin, and orange eyes, white skin. This means that the genes for orange eyes and white skin are linked. Likewise, the genes for black eyes and green skin are linked. Linked genes do not assort independently and are one of the exceptions for Mendel's law of independent assortment.
Conduction and convection are means of transferring heat, the important difference is the medium through which the heat travels. Conduction occurs when heat is transferred through solid objects, like a bar.
Thanks to what we know about muscles and the fibers they contain, we can confirm that the statement in the question is in fact true.
Muscle is a type of tissue which due to coordinated systems that make up their composition, have the ability to contract. This ability allows for greater efficiency. In humans, the muscle systems are classified into three kinds:
- Cardiac muscle
- Skeletal muscle
- Smooth muscle
Despite the different classifications and functions of each muscle type, each of these muscles contains a combination of three types of muscle fibers, which are the fibers listed in the question:
- Slow oxidative
- Fast oxidative
- Fast glycolytic.
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Answer:
<h2>Mainly by Hydrogen bonds and the Van der Waals forces
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Explanation:
The DNA double helix (both strands of DNA) are held closs together by i) mainly hydrogen bonds between complementary bases and ii) the Van der Waals base-stacking interaction.
The hydrogen bonds between the base pairs form the double helical structure of DNA. There is no exchange or sharing of electrons in hydrogen bonds.
G always pairs with C with three hydrogen bonds and T always pairs with A with two hydrogen bonds.
Answer:
100% of the offspring are blue butterflies.
Explanation:
B is a dominant allele, determining the blue color of a butterfly.
b is a recessive allele. This means a bird with bb genotype is yellow in color.
A pure blue butterfly (BB) produces only B gametes, and a pure yellow butterfly (bb) gives onl b gametes.
Therefore, the offspring in the BB x bb cross are all blue in color.